v.

BRIMSON et al.

No. 883.

May 26, 1894

[154 U.S. 447, 449]   Sol. Gen. Maxwell and George F. Edmunds, for appellant.

E. Parmalee Prentice, Chas. S. Holt, and J. C. Hutchins, for appellees.

[154 U.S. 447, 456]  

Mr. Justice HARLAN.

This appeal brings up for review a judgment rendered December 7, 1892, dismissing a petition filed in the circuit court of the United States on the 15th day of July, 1892, by the interstate commerce commission, under the act of congress entitled 'An act to regulate commerce,' approved February 4, 1887, and amended by the acts of March 2, 1889, and February 10, 1891. 24 Stat. 379, c. 104; 25 Stat. 855, c. 382; 26 Stat. 743, c. 128; 1 Supp. Rev. St. 529, 684, 891.

The petition was based on the twelfth section of the act authorizing the commission to invoke the aid of any court of [154 U.S. 447, 457]   the United States in requiring the attendance and testimony of witnesses, and the production of documents, books, and papers.

The circuit court held that section to be unconstitutional and void, as imposing on the judicial tribunals of the United States duties that were not judicial in their nature. In the judgment of that court, this proceeding was not a case to which the judicial power of the United States extended. 53 Fed. 476, 480.

The provisions of the interstate commerce act have no application to the transportation of passengers or property, or to the receiving, delivering, storing, or handling of property wholly within one state, and not shipped to a foreign country from any state or territory, or from a foreign country to any state of territory; but they are declared to be applicable to carriers engaged in the transportation of passengers or property wholly by railroad, or partly by railroad and partly by water, when both are used, under a common control, management, or arrangement, for a continuous carriage or shipment from one state or territory of the United States or the District of Columbia to any other state or territory of the United States or the District of Columbia, or from any place in the United States to an adjacent foreign country, or from any place in the United States through a foreign country to any other place in the United States, and also to the transportation in like manner of property shipped from any place in the United States to a foreign country, and carried from such place to a port of transshipment, or shipped from a foreign country to any place in the United States, and carried to such place from a port of entry either in the United States or an adjacent foreign country.

The term 'railroad,' as used in the act, includes all bridges and ferries used or operated in connection with any railroad, and also all the road in use by any corporation operating a railroad, whether owned or operated under a contract, agreement, or lease; and the term 'transportation' includes all instrumentalities of shipment or carriage.

All charges made for services rendered or to be rendered in [154 U.S. 447, 458]   the transportation of passengers or property, as above stated, or in connection therewith, or for the receiving, delivering, storing, or handling of such property, are required to be reasonable and just; and every unjust and unreasonable charge for such service is prohibited and declared to be unlawful. Section 1.

Any carrier subject to the provisions of the act, directly or indirectly, by special rate, rebate, drawback, or other device, charging, demanding, collecting, or receiving from any person or persons a greater or less compensation for services rendered or to be rendered in the transportation of passengers or property than it charges, demands, collects, or receives for doing a like and contemporaneous service in the transportation of a like kind of traffic under substantially similar circumstances and conditions, is to be deemed guilty of unjust discrimination, which the act expressly declares to be unlawful. Section 2.

So it is made unlawful for any such carrier to make or give any undue or unreasonable preference or advantage to any particular person, company, firm, corporation, or locality, or to any particular description of traffic, or to subject any particular person, company, firm, corporation, or locality, or any particular kind of traffic, to undue or unreasonable prejudice or disadvantage in any respect; and carriers subject to the provisions of the act are required to afford, according to their respective powers, all reasonable, proper, and equal facilities for the interchange of traffic between their respective lines, and for the receiving, forwarding, and delivering of passengers and property to and from their several lines and those connecting therewith, and not to discriminate in their rates and charges between such connecting lines; but this regulation does not require a carrier to give the use of its tracks or terminal facilities to another carrier engaged in like business. Section 3.

It is made unlawful for any carrier subject to the provisions of the act to charge or receive any greater compensation in the aggregate for the transportation of passengers or of like kind of property, under substantially similar circumstances and con- [154 U.S. 447, 459]   ditions, for a shorter than for a longer distance over the same line, in the same direction, the shorter being included within the longer distance; but this does not authorize the charging and receiving as great compensation for a short as for a longer distance. Upon application to the commission, the carrier may, in special cases, after investigation by that body, be authorized to charge less for longer than for short distances for the transportation of passengers or property; and the commission may, from time to time, prescribe the extent to which the carrier may be relieved from the operation of this section. Section 4.

It is also made unlawful for any carrier subject to the provisions of the act to enter into any contract, agreement, or combination with any other carrier or carriers for the pooling of freights of different and competing railroads, or to divide between them the aggregate or net proceeds of the earnings of such railroads, or any portion thereof; and, in any case of an agreement for the pooling of freights as aforesaid, each day of its continuance is deemed a separate offense. Section 5.

Another section of the act provides for the printing and posting by carriers of their rates, fares, and charges for the transportation of passengers and property, including terminal charges, classifications of freight, and any rules or regulations affecting such rates, fares, and charges, including the rates established and charged for freight received in this country to be carried through a foreign country to any place in the United States; forbids any advance or reduction in such rates, fares, and charges, so established and published, except upon public notice, of which changes the commission shall be notified; requires every carrier to file with the commission copies of all contracts, agreements, or arrangements with other carriers relating to any traffic affected by the provisions of the act, as well as copies of schedules of joint tariffs of rates, fares, or charges for passengers and property over continuous lines or routes operated by more than one carrier; declares it to be unlawful for any carrier, party to any joint tariff, to charge, demand, collect, or receive from any person or persons a greater or less compensation for the transportation of [154 U.S. 447, 460]   persons or property, or for any services in connection therewith, between any points as to which a joint rate, fare, or charge is named thereon, than is specified in the schedule filed with the commission in force at the time; authorizes, in addition to the penalties prescribed for neglect or refusal to file or publish rates, fares, and charges, a writ of mandamus to be issued by any circuit court of the United States in the judicial district wherein the principal office of the carrier is situated, or wherein such offense may be committed, and, if such carrier be a foreign corporation, in the judicial circuit wherein it accepts traffic and has an agent to perform such service, to compel compliance with the above provisions of the section relating to schedules of rates, fares, and charges, such writ to issue in the name of the people of the United States, at the relation of the commissioners appointed under the provisions of the act, and the failure to comply with its requirements being punishable as and for a contempt; and empowers the commissioners, as complainants, to apply, in any such circuit court of the United States, for a writ of injunction against the carrier to restrain it from receiving or transporting property among the several states and territories of the United States, or between the United States and adjacent foreign countries, or between ports of transshipment and of entry and the several states and territories of the United States, as mentioned in the first section of the act, until the carrier shall have complied with the provisions last referred to. Section 6.

So a common carrier subject to the provisions of the act is forbidden to enter into any combination, contract, or agreement, expressed or implied, to prevent, by change of time schedule, carriage in different cars, or by other means or devices, the carriage of freights from being continuous from the place of shipment to the place of destination; and no break of bulk, stoppage, or interruption made by such common carrier shall prevent the carriage of freights from being, and being treated, as one continuous carriage from the place of shipment to the place of destination, unless such break, stoppage, or interruption was made in good faith for some [154 U.S. 447, 461]   necessary purpose, and without any intent to avoid or unnecessarily interrupt such continuous carriage, or to evade any of the provisions of the act. Section 7.

By the eleventh section a commission is created and established, to be known as the 'Interstate Commerce Commission,' and to be composed of five commissioners, appointed by the president, by and with the advice and consent of the senate. Section 11.

Other sections give a right of action to the persons injured by the acts of carriers done in violation of the statute, prescribe penalties against carriers for illegal exactions and discriminations, and indicate how the provisions of the statute may be enforced against carriers by the commission.

The twelfth section (26 Stat. 743, c. 128), the validity of certain parts of which is involved in this proceeding, provides as follows:

'That the commission hereby created shall have authority to inquire into the management of the business of all common carriers subject to the provisions of this act, and shall keep itself informed as to the manner and method in which the same is conducted. and shall have the right to obtain from such common carriers full and complete information necessary to enable the commission to perform the duties and carry out the objects for which it was created; and the commission is hereby authorized and required to execute and enforce the provisions of this act; and, upon the request of the commission, it shall be the duty of any district attorney of the United States to whom the commission may apply to institute in the proper court and to prosecute under the direction of the attorney general of the United States all necessary proceedings for the enforcement of the provisions of this act and for the punishment of all violations thereof, and the costs and expenses of such prosecution shall be paid out of the appropriation for the expenses of the courts of the United States; and for the purposes of this act the commission shall have power to require, by subpoena, the attendance and testimony of witnesses and the production of all books, papers, tariffs, contracts, agreements, and documents relating to any matter under investigation. [154 U.S. 447, 462]   'Such attendance of witnesses and the production of such documentary evidence, may be required from any place in the United States, at any designated place of hearing. And in case of disobedience to a subpoena the commission, or any party to a proceeding before the commission, may invoke the aid of any court of the United States in requiring the attendance and testimony of witnesses and the production of books, papers, and documents under the provisions of this section.

'And any of the circuit courts of the United States within the jurisdiction of which such inquiry is carried on may, in case of contumacy or refusal to obey a subpoena issued to any common carrier subject to the provisions of this act, or other person, issue an order requiring such common carrier or other person to appear before said commission (and produce books and papers if so ordered) and give evidence touching the matter in question; and any failure to obey such order of the court may be punished by such court as a contempt thereof. The claim that any such testimony or evidence may tend to criminate the person giving such evidence shall not excuse such witness from testifying; but such evidence or testimony shall not be used against such person on the trial of any criminal proceeding.

'The testimony of any witness may be taken, at the instance of a party, in any proceeding or investigation depending before the commission, by deposition, at any time after a cause or proceeding is at issue on petition and answer. The commission may also order testimony to be taken by deposition in any proceeding or investigation pending before it, at any stage of such proceeding or investigation. Such depositions may be taken before any judge of any court of the United States, or any commissioner of a circuit, or any clerk of a district or circuit court, or any chancellor, justice, or judge of a supreme or superior court, mayor or chief magistrate of a city, judge of a county court, or court of common pleas of any of the United States, or any notary public, not being of counsel or attorney to either of the parties, nor interested in the event of the proceeding or investigation. Reasonable notice must first be given in writing by the party or his attorney proposing to [154 U.S. 447, 463]   take such deposition to the opposite party or his attorney of record, as either may be nearest, which notice shall state the name of the witness and the time and place of the taking of his deposition. Any person may be compelled to appear and depose, and to produce documentary evidence, in the same manner as witnesses may be compelled to appear and testify and produce documentary evidence before the commission as hereinbefore provided.

'Every person deposing as herein provided shall be cautioned and sworn (or affirm, if he so request) to testify the whole truth, and shall be carefully examined. His testimony shall be reduced to writing by the magistrate taking the deposition, or under his direction, and shall, after it has been reduced to writing, be subscribed by the deponent.

'If a witness whose testimony may be desired to be taken by deposition be in a foreign country, the deposition may be taken before an officer or person designated by the commission, or agreed upon by the parties by stipulation in writing to be filed with commission. All depositions must be promptly filed with the commission.

'Witnesses whose depositions are taken pursuant to this act, and the magistrate or other officer taking the same, shall severally be entitled to the same fees as are paid for like services in the courts of the United States.' Section 12.

The nature of the present proceeding, instituted pursuant to the authority conferred by that section, will appear from the following summary of the pleadings and orders in the cause:

Prior to the 14th of June, 1892, informal complaint was made to the interstate commerce commission, under the provisions of the interstate commerce act, that the Illinois Steel Company, a corporation of Illinois, had caused to be incorporated under the laws of that state the Calumet & Blue Island Railroad Company, the Chicago & Southeastern Railway Company of Illinois, the Joliet & Blue Island Railway Company, and the Chicago & Kenosha Railway Company, for the purpose of operating its switches and side tracks at South Chicago, Chicago, and Joliet, respectively, and engaging in traffic by a continuous shipment from cities and [154 U.S. 447, 464]   places without to cities and places within Illinois, in connection, respectively, with the Baltimore & Ohio Railroad Company, the Baltimore & Southwestern Railroad Company, the Illinois Central Railroad Company, the Lake Shore & Michigan Southern Railway Company, the Chicago, Rock Island & Pacific Railway Company, the Pittsburg, Ft. Wayne & Chicago Railway Company, the Pennsylvania Company, the Pennsylvania Railroad Company, the Belt Railway Company, the Chicago & Alton Railroad Company, the Chicago Railway Transfer Company, the Atchison, Topeka & Santa F e Railway Company, the Elgin, Joliet & Eastern Railway Company, the Chicago & Northwestern Railway Company, and the Chicago, Milwaukee & St. Paul Railway Company; that it had also caused to be incorporated, under the laws of Wisconsin, the Milwaukee, Bay View & Chicago Railroad Company, for the purpose of operating its switches and side tracks at or near Milwaukee, in that state, and engaging in traffic by a continuous shipment from places and cities without to cities and places within Wisconsin, in connection with the Chicago, Milwaukee & St. Paul Railway Company and the Chicago & Northwestern Railway Company; and that said Illinois Steel Company owned and controlled the abovenamed companies, which it caused to be incorporated under the laws of Illinois, and operated them in connection with the other companies named, 'as a device for the purpose of evading the provisions of the act to regulate commerce, and obtaining special, illegal, unjust, and unreasonable rates for the transportation of interstate traffic,' and, by the connivance and consent of said other connecting railroad companies, in such a manner as to give to the Illinois Steel Company an illegal, undue, and unreasonable preference and advantage, subjecting other persons, firms, and companies to undue and unreasonable prejudice and discrimination in the transportation of property from divers cities and places without the states of Illinois and Wisconsin to divers cities and towns within those states.

It was made to appear to the commission that the companies so owned, controlled, and operated by the Illinois Steel Company for more than the six months then last past had [154 U.S. 447, 465]   been and were still engaged in the transportation of property by railroad in connection with the other companies named, 'under a common control, management, and arrangement for a continuous carriage or shipment' from divers cities and towns without to divers cities and towns within the states of Illinois and Wisconsin, and that none of the compenies so owned, controlled, and operated had filed with the commission copies of their contracts, agreements, and common arrangements with the other companies, nor their tariffs nor schedules of rates, fares, and charges, as required by the act of congress.

The commission, of its own motion, decided to investigate the matters set forth in said informal complaint by inquiring into the business of all of said railroad companies and the management thereof with reference as well to the alleged making of illegal, unjust, and unreasonable rates as to the alleged unjust and illegal discrimination in favor of the Illinois Steel Company, and the failure, as above stated, to file with the commission the above contracts, agreements, and tariffs.

An order was thereupon made by the commission, which recited the facts of the informal complaint made to it, and required each of the above- mentioned companies to make and file in its office in Washington a full, complete, perfect, and speciflc, verified answer, setting forth all the facts in regard to the matters complained of, and responding to the following questions:

'(1) Does any contract, agreement, or arrangement in writing or otherwise exist between the companies above alleged to be under the control [of] and operated by the said Illinois Steel Company and any of the other companies with reference to interstate traffic? If so, state the contract, agreement, or arrangement.

'(2) Or [are] any tariffs of rates and charges for the transportation of interstate property in effect between said companies above alleged to be under the control of and operated by the Illinois Steel Company and said other railroad companies? If so, what are they, and what are the divisions thereof between the several carriers? [154 U.S. 447, 466]   '(3) Have the companies above alleged to be under the control of and operated by the Illinois Steel Company received interstate traffic from any of the other carriers above mentioned during the six months last past, or have they delivered any such traffic to such other carriers during that time, for any person, firm, or company other than the Illinois Steel Company, and, if so, to what amount?'

The order further required all of the companies named to appear before the commission at a named time and place in Chicago, when that body would proceed to make inquiry into and investigate the management of the said business by the carriers so ordered to appear.

Each of the companies which, according to the allegations of the petition, the Illinois Steel Company had caused to be incorporated, filed its answer with the commission, and averred that it had in all respects complied with the obligations imposed upon it by the laws of the state and of the United States; that it was not engaged in interstate commerce within six months preceding the filing of the complaint against them; and it answered 'No' to each of the above specific questions. The Calumet & Blue Island Railway Company also denied that the operation of its railways was a device to evade the provision of the interstate commerce act, or had resulted in obtaining for the Illinois Steel Company special, illegal, unjust, or unreasonable rates in interstate traffic, or in securing to that company illegal, undue, or unreasonable preferences.

The commission, notwithstanding these denials, conceived it to be their duty to proceed with the investigation by the examination of witnesses and the books and papers of the corporations involved, and especially to ascertain whether the Illinois Steel Company was the owner in fact of the railroads which it was alleged to have caused to be incorporated, and whether such incorporations were for the purpose of giving to that company an undue and illegal preference in the transportation of its property and freight.

Among the witnesses subpoenaed to testify before the commission was William G. Brimson, the president and manager [154 U.S. 447, 467]   of the five roads so incorporated in Illinois. Being asked what constituted the principal traffic of the roads, he said: 'The business of these roads, except as indicated in the answers, is that of switching,- switching business. We do a switching and terminal business, in that we are open to any business, for anybody's property, or persons who may locate at such place where we can go to them. Mainly our business is with the Illinois Steel Company. This is the great proportion of our business.' In reply to the question whether his company engaged in transportation business other than as stated by him, he said that they did not, 'except the Calumet & Blue Island, as stated in our reply. On that we do engage in other business to a certain extent.' Having stated that his companies did not engage in the transportation business for everybody and anybody having occasion to employ them, and that their business was limited to the above companies, with which they had traffic arrangements, he was asked whether the companies of which he was president and manager were owned by the Illinois Steel Company. The witness, under the advice of counsel, refused to answer this question.

J. S. Keefe, secretary and auditor of the five roads mentioned, was examined by the commission as a witness. He admitted that he had in his possession a book showing the names of the stockholders of the Calumet & Blue Island Railway Company, but refused, upon the demand of the commission, to produce it. He also refused to answer the question, 'Do you know, as a matter of fact, whether the Illinois Steel Company owns the greater part of the stock of these several railroads?'

William R. Sterling, first vice president of the Illinois Steel Company, was also examined as a witness, and, after stating that that company had a contract with the five railroads in question to handle the railroad business at the five 'plants' of the steel company, refused to answer the question, 'Is that the only relation which your company sustains to these railroad companies?'

On the succeeding day the commission issued a subpoena [154 U.S. 447, 468]   duces tecum, directed to J. S. Keefe, secretary and auditor of the five railroads in question, commanding him to appear before that body, and bring with him the stock books of those companies. A like subpoena was issued to William R. Sterling, as first vice president of the steel company, commanding him to appear before the commission and produce the stock books of that company. Keefe and Sterling appeared in answer to the subpoenas, but refused to produce the books, or either of them, so ordered to be produced.

The commission thereupon, on the 15th day of July, 1892, presented to and filed in the court below its petition, embodying the above facts, and prayed that an order be made requiring and commanding Brimson, Keefe, and Sterling to appear before that body and answer the several questions propounded by them, and which they had respectively refused to answer, and requiring Keefe and Sterling to appear and produce before the commission the stock books above referred to as in their possession.

The answers of Brimson, Keefe, and Sterling in the present proceeding, besides insisting that the questions propounded to them, respectively, were immaterial and irrelevant, were based mainly upon the ground that so much of the interstate commerce act as empowered the commission to require the attendance and testimony of witnesses and the production of books, papers, and documents, and authorizes the circuit court of the United States to order common carriers or persons to appear before the commission and produce books and papers and give evidence, and to punish by process for contempt any failure to obey such order of the court, was repugnant to the constitution of the United States.

Is the twelfth section of the act unconstitutional and void, so far as it authorizes or requires the circuit courts of the United States to use their process in aid of inquires before the commission? The court recognizes the importance of this question, and has bestowed upon it the most careful consideration.

As the constitution extends the judicial power of the United States to all cases in law and equity arising under that instru- [154 U.S. 447, 469]   ment or under the laws of the United States, as well as to all controversies to which the United States shall be a party (article 3, 2), and as the circuit courts of the United States are capable, under the statutes defining and regulating their jurisdiction, of exerting such power in cases or controversies of that character, within the limits prescribed by congress (25 Stat. 434, c. 866), the fundamental inquiry on this appeal is whether the present proceeding is a 'case' or 'controversy,' within the meaning of the constitution. The circuit court, as we have seen, regarded the petition of the interstate commerce commission as nothing more than an application by an administrative body to a judicial tribunal for the exercise of its functions in aid of the execution of duties not of a judicial nature, and accordingly adjudged that this proceeding did not constitute a case or controversy to which the judicial power of the United States could be extended.

At the same time the learned court said: 'Undoubtedly, congress may confer upon a nonjudicial body authority to obtain information necessary for legitimate governmental purposes, and make refusal to appear and testify before it touching matters pertinent to any authorized inquiry an offense punishable by the courts, subject, however, to the privilege of witnesses to make no disclosures which might tend to criminate them or subject them to penalties or forfeitures. A prosecution or an action for violation of such a statute would clearly be an original suit or controversy between parties, within the meaning of the constitution, and not a mere application, like the present one, for the exercise of the judicial power in aid of a nonjudicial body.' In re Interstate Commerce Commission, 53 Fed. 476, 480.

In other words, if the interstate commerce act made the refusal of a witness duly summoned to appear and testify before the commission, in respect to a matter rightfully committed be congress to that body for examination, an offense against the United States, punishable by fine or imprisonment, or both, a criminal prosecution or an information for the violation of such a statute would be a case or controversy to which the judicial power of the United States extended; [154 U.S. 447, 470]   while a direct civil proceeding, expressly authorized by an act of congress, in the name of the commission, and under the direction of the attorney general of the United States, against the witness so refusing to testify, to compel him to give evidence before the commission touching the same matter, would not be a case or controversy of which cognizance could be taken by any court established by congress to receive the judicial power of the United States.

This interpretation of the constitution would restrict the employment of means to carry into effect powers granted to congress within much narrower limits than, in our judgment, are warranted by that instrument.

The constitution expressly confers upon congress the power to regulate commerce with foreign nations, among the several states, and with the Indian tribes, and to make all laws necessary and proper for carrying that power into execution. Article 1, 8. While the completely internal commerce of a state is reserved to the state itself, because never surrendered to the general government, commerce, the regulation of which is committed by the constitution to congress, comprehends traffic, navigation, and every species of commercial intercourse or trade between the United States, among the several states, and with the Indian tribes. Gibbons v. Ogden, 9 Wheat. 1, 193, 194. 'It may be doubted,' this court has said, 'whether any of the evils proceeding from the feebleness of the federal government contributed more to that great revolution which introduced the present system than the deep and general conviction that commerce ought to be regulated by congress. It is not, therefore, matter of surprise that the grant should be as extensive as the mischief, and should comprehend all foreign commerce and all commerce among the states. To construe the power so as to impair its efficiency would tend to defeat an object, in the attainment of which the American public took, and justly took, that strong interest which arose from a full conviction of its necessity.' Brown v. Maryland, 12 Wheat. 419, 446; Philadelphia & S. S. S. Co. v. Pennsylvania, 122 U.S. 326, 346 , 7 S. Sup. Ct. 1118. 'In the matter of interstate commerce,' this court, speaking by Mr. Justice Bradley, has declared, 'the United [154 U.S. 447, 471]   States are but one country, and are and must be subject to one system of regulations, and not to a multitude of systems.' Robbins v. Taxing Dist., 120 U.S. 489, 494 , 7 S. Sup. Ct. 592. The same principle was announced by the present chief justice in Stoutenburgh v. Hennick, 129 U.S. 141, 148 , 9 S. Sup. Ct. 256.

What is the nature of the power thus expressly given to congress, and to what extent and under what restrictions may it be constitutionally exerted?

This question was answered when Chief Justice Marshall said that it was the power 'to prescribe the rule by which commerce is to be governed.' 'The power,' the chief justice continued, 'like all others vested in congress, is complete in itself, may be exercised to its utmost extent, and acknowledges no limitations other than are prescribed in the constitution. These are expressed in plain terms, and do not affect the questions which arise in this case, or which have been discussed at the bar. If, as has always been understood, the sovereignty of congress, though limited to specified objects, is plenary as to those objects, the power over commerce with foreign nations and among the several states is vested in congress as absolutely as it would be in a single government having in its constitution the same restrictions on the exercise of the power as are found in the constitution of the United States. The wisdom and the discretion of congress, their identity with the people, and the influence which their constituents possess at elections are, in this as in many other instances,-as that, for example, of declaring war,-the sole restraints on which they have relied to secure them from its abuse. They are the restraints on which the people must often rely solely in all representative governments.' Gibbons v. Ogden, 9 Wheat. 1, 189, 196, 197.

Congress thus having plenary power subject to the limitations imposed by the constitution to prescribe the rule by which commerce among the several states is to be governed, the question necessarily arises, what are the principles that should control the judiciary when determining whether a particular act of congress, avowedly adopted in execution of that power, is consistent with the fundamental limitations of the constitution? [154 U.S. 447, 472]   The general principle applicable to this subject was long ago announced by this court, and has been so often affirmed and applied that argument in support of it is unnecessary, even if it were possible to suggest any thought not heretofore expressed in the adjudged cases. In the great case of McCulloch v. Maryland, 4 Wheat. 316, 421, 423, it was said: 'The sound construction of the constitution must allow to the national legislature that discretion, with respect to the means by which the powers it confers are to be carried into execution, which will enable that body to perform the high duties assigned to it, in the manner most beneficial to the people. Let the end be legitimate, let it be within the scope of the constitution, and all means which are appropriate, which are plainly adapted to that end, which are not prohibited, but consistent with the letter and spirit of the constitution, are constitutional.' Again: 'Where the law is not prohibited, and is really calculated to effect any of the objects intrusted to the government, to undertake here to inquire into the degree of its necessity would be to pass the line which circumscribes the judicial department, and to tread on legislative ground. This court disclaims all pretensions to such a power.'

Guided by these principles, we proceed to inquire whether the twelfth section of the interstate commerce act, so far as it authorizes the present proceeding, assumes to invest the circuit courts of the United States with functions that are not judicial.

It was not disputed at the bar, nor indeed can it be successfully denied, that the prohibition of unjust charges, discriminations, or preferences, by carriers engaged in interstate commerce, in respect to property or persons transported from one state to another, is a proper regulation of interstate commerce, or that the object that congress has in view by the act in question may be legitimately accomplished by it under the power to regulate commerce among the several states. In every substantial sense such prohibition is a rule by which interstate commerce must be governed, and is plainly adapted to the object intended to be accomplished. The same obser- [154 U.S. 447, 473]   vation may be made in respect to those provisions empowering the commission to inquire into the management of the business of carriers subject to the provisions of the act, and to investigate the whole subject of interstate commerce as conducted by such carriers, and, in that way, to obtain full and accurate information of all matters involved in the enforcement of the act of congress. It was clearly competent for congress, to that end, to invest the commission with authority to require the attendance and testimony of witnesses, and the production of books, papers, tariffs, contracts, agreements, and documents relating to any matter legally committed to that body for investigation. We do not understand that any of these propositions are disputed in this case.

Interpreting the interstate commerce act as applicable, and as intended to apply, only to matters involved in the regulation of commerce, and which congress may rightfully subject to investigation by a commission established for the purpose of enforcing that act, we are unable to say that its provisions are not appropriate and plainly adapted to the protection of interstate commerce from burdens that are or may be, directly and indirectly, imposed upon it by means of unjust and unreasonable discriminations, charges, and preferences. Congress is not limited in its employment of means to those that are absolutely essential to the accomplishment of objects within the scope of the powers granted to it. It is a settled principle of constitutional law that 'the government which has a right to do an act, and has imposed on it the duty of performing that act, must, according to the dictates of reason, be allowed to select the means; and those who contend that it may not select any appropriate means, that one particular mode of effecting the object is excepted, take upon themselves the burden of establishing that exception.' 4 Wheat. 316, 409. The test of the power of congress is not the judgment of the courts that particular means are not the best that could have been employed to effect the end contemplated by the legislative department. The judiciary can only inquire whether the means devised in the execution of a power granted are forbidden by the constitution. It cannot go beyond that inquiry [154 U.S. 447, 474]   without entrenching upon the domain of another department of the government. That it may not do with safety to our institutions. Sinking Fund Cases, 99 U.S. 700 , 718.

An adjudication that congress could not establish an administrative body with authority to investigate the subject of interstate commerce, and with power to call witnesses before it, and to require the production of books, documents, and papers relating to that subject, would go far towards defeating the object for which the people of the United States placed commerce among the states under national control. All must recognize the fact that the full information necessary as a basis of intelligent legislation by congress from time to time upon the subject of interstate commerce cannot be obtained, nor can the rules established for the regulation of such commerce be efficiently enforced, otherwise than through the instrumentality of an administrative body, representing the whole country, always watchful of the general interests, and charged with the duty, not only of obtaining the required information, but of compelling, by all lawful methods, obedience to such rules.

It is to be observed that, independently of any question concerning the nature of the matter under investigation by the commission,-however legitimate or however vital to the public interest the inquiry being conducted by that body,-the judgment belowrests upon the broad ground that no direct proceeding to compel the attendance of a witness before the commission, or to require him to answer questions put to him, or to compel the production of books, documents, or papers in his possession relating to the subject under examination, can be deemed a case or controversy of which, under the constitution, a court of the United States may take cognizance, even if such proceeding be in form judicial; and the theory upon which the judgment proceeded is applicable alike to corporations and individuals, although, by the established doctrine of the courts, a railroad corporation may, under legislative sanction and upon making compensation, appropriate private property for the purposes of its right of way, because, [154 U.S. 447, 475]   and only because, its road is a public highway, established primarily for the convenience of the people and to subserve public objects, and therefore subject to governmental control. Cherokee Nation v. Southern Kan. R. Co., 135 U.S. 641, 657 , 10 S. Sup. Ct. 965.

What is a case or controversy to which, under the constitution, the judicial power of the United States extends? Referring to the clause of that instrument which extends the judicial power of the United States to all cases in law and equity arising under the constitution, the laws of the United States, and treaties made or that shall be made under their authority, this court, speaking by Chief Justice Marshall, has said: 'This clause enables the judicial department to receive jurisdiction to the full extent of the constitution, laws, and treaties of the United States when any question respecting them shall assume such a form that the judicial power is capable of acting on it. That power is capable of acting only when the subject is submitted to it by a party who asserts his rights in the form prescribed by law. It then becomes a case, and the constitution declares that the judicial power shall extend to all cases arising under the constitution, laws, and treaties of the United States.' Osborn v. Bank, 9 Wheat. 738, 819. And in Den ex dem. Murray v. Improvement Co., 18 How. 272, 284, Mr. Justice Curtis, after observing that congress cannot withdraw from judicial cognizance any matter which, from its nature, is the subject of a suit at the common law, or in equity or admiralty, nor, on the other hand, bring under judicial power a matter which, from its nature, is not a subject for judicial determination, said: 'At the same time there are matters involving public rights which may be presented in such form that the judicial power is capable of acting on them, and which are susceptible of judicial determination, but which congress may or may not bring within the cognizance of the courts of the United States, as it may deem proper.' So, in Smith v. Adams, 130 U.S. 173 , 9 Sup. Ct. 566, Mr. Justice Field, speaking for the court, said that the terms 'cases' and 'controversies,' in the constitution, embraced 'the claims or contentions of litigants brought before the courts for adjudication by regular proceedings estab- [154 U.S. 447, 476]   lished for the protection or enforcement of rights, or the prevention, redress, or punishment of wrongs.'

Testing the present proceeding by these principles, we are of opinion that it is one that can properly be brought under judicial cognizance.

We have before us an act of congress authorizing the interstate commerce commission to summon witnesses, and to require the production of books, papers, tariffs, contracts, agreements, and documents relating to the matter under investigation. The constitutionality of this provision- assuming it to be applicable to a matter that may be legally intrusted to an administrative body for investigation-is, we repeat, not disputed, and is beyond dispute. Upon every one, therefore, who owes allegiance to the United States, or who is within its jurisdiction, enjoying the protection that its government affords, rests an obligation to respect the national will as thus expressed, in conformity with the constitution. As every citizen is bound to obey the law and to yield obedience to the constituted authorities acting within the law, this power conferred upon the commission imposes upon any one summoned by that body to appear and to testify the duty of appearing and testifying, and upon any one required to produce such books, papers, tariffs, contracts, agreements, and documents the duty of producing them, if the testimony sought, and the books, papers, etc., called for, relate to the matter under investigation, if such matter is one which the commission is legally entitled to investigate, and if the witness is not excused, on some personal ground, from doing what the commission requires at his hands. These propositions seem to be so clear and indisputable that any attempt to sustain them by argument would be of no value in the discussion. Whether the commission is entitled to the evidence it seeks, and whether the refusal of the witness to testify or to produce books, papers, etc., in his possession, is or is not in violation of his duty or in derogation of the rights of the United States, seeking to execute a power expressly granted to congress, are the distinct issues between that body and the witness. They are issues between the United States and those [154 U.S. 447, 477]   who dispute the validity of an act of congress and seek to obstruct its enforcement; and those issues, made in the form prescribed by the act of congress, are so presented that the judicial power is capable of acting on them.

The question so presented is substantially, if not precisely, that which would arise if the witness was proceeded against by an indictment under an act of congress declaring it to be an offense against the United States for any one to refuse to testify before the commission after being duly summoned, or to produce books, papers, etc., in his possession upon notice to do so, or imposing penalties for such refusal to testify or to produce the required books, papers, and documents. A prosecution for such offense, or a proceeding by information to recover such penalties, would have as its real and ultimate object to compel obedience to the rightful orders of the commission, while it was exerting the powers given to it by congress; and such is the sole object of the present direct proceeding. The United States asserts its right, under the constitution and laws, to have these appellees answer the questions propounded to them by the commission, and to produce specified books, papers, etc., in their possession or under their control. It insists that the evidence called for is material in the matter under investigation; that the subject of investigation is within legislative cognizance, and may be inquired of by any tribunal constituted by congress for that purpose. The appellees deny that any such rights exist in the general government, or that they are under a legal duty, even if such evidence be important or vital in the enforcement of the interstate commerce act, to do what is required of them by the commission. Thus has arisen a dispute involving rights or claims asserted by the respective parties to it; and the power to determine it directly, and, as between the parties, finally, must reside somewhere. It cannot be that the general government, with all the power conferred upon it by the people of the United States, is helpless in such an emergency, and is unable to provide some method, judicial in form and direct in its operation, for the prompt and conclusive determination of this dispute. [154 U.S. 447, 478]   As the circuit court is competent, under the law by which it was ordained and established, to take jurisdiction of the parties, and as a case arises under the constitution or laws of the United States when its decision depends upon either, why is not this proceeding, judicial in form and instituted for the determination of distinct issues between the parties, as defined by formal pleadings, a case or controversy for judicial cognizance, within the meaning of the constitution? It must be so regarded, unless, as is contended, congress is without power to provide any method for enforcing the statute or compelling obedience to the lawful orders of the commission, except through criminal prosecutions or by civil actions to recover penalties imposed for noncompliance with such orders. But no limitation of that kind upon the power of congress to regulate commerce among the states is justified either by the letter or the spirit of the constitution. Any such rule of constitutional interpretation, if applied to all the grants of power made to congress, would defeat the principal objects for which the constitution was ordained. As the issues are so presented that the judicial power is capable of acting on them finally as between the parties before the court, we cannot adjudge that the mode prescribed for enforcing the lawful orders of the interstate commission is not calculated to attain the object for which congress was given power to regulate interstate commerce. It cannot be so declared unless the incompatibility between the constitution and the act of congress is clear and strong. Fletcher v. Peck, 6 Cranch, 87, 128. In accomplishing the objects of a power granted to it, congress may employ any one or all the modes that are appropriate to the end in view, taking care only that no mode employed is inconsistent with the limitations of the constitution.

We do not overlook those constitutional limitations which, for the protection of personal rights, must necessarily attend all investigations conducted under the authority of congress. Neither branch of the legislative department, still less any merely administrative body, established by congress, possesses, or can be invested with, a general power of making inquiry into the private affairs of the citizen. Kilbourn v. Thompson, [154 U.S. 447, 479]   103 U.S. 168 , 190. We said in Boyd v. U. S., 116 U.S. 616, 630 , 6 S. Sup. Ct. 524,-and it cannot be too often repeated,-that the principles that embody the essence of constitutional liberty and security forbid all invasions on the part of the government and its employees of the sanctity of a man's home and the privacies of his life. As said by Mr. Justice Field in Re Pacific Ry. Commission, 32 Fed. 241, 250, 'of all the rights of the citizen, few are of greater importance or more essential to his peace and happiness than the right of personal security, and that involves, not merely protection of his person from assault, but exemption of his private affairs, books, and papers from the inspection and scrutiny of others. Without the enjoyment of this right, all others would lose half their value.'

It was said in argument that the twelfth section was in derogation of those fundamental guaranties of personal rights that are recognized by the constitution as inhering in the freedom of the citizen. It is scarcely necessary to say that the power given to congress to regulate interstate commerce does not carry with it any power to destroy or impair those guaranties. This court has already spoken fully upon that general subject in Counselman v. Hitchcock, 142 U.S. 547 , 12 Sup. Ct. 195. We need not add anything to what has been there said. Suffice it in the present case to say that as the interstate commerce commission, by petition in a circuit court of the United States, seeks, upon grounds distinctly set forth, an order to compel appellees to answer particular questions and to produce certain books, papers, etc., in their possession, it was open to each of them to contend before that court that he was protected by the constitution from making answer to the questions propounded to him, or that he was not legally bound to produce the books, papers, etc., ordered to be produced, or that neither the questions propounded nor the books, papers, etc., called for relate to the particular matter under investigation, nor to any matter which the commission is entitled under the constitution or laws to investigate. These issues being determined in their favor by the court below, the petition of the commission could have been dismissed upon its merits. [154 U.S. 447, 480]   It may be proper to state in this connection that, after the decision in Counselman v. Hitchcock, the interstate commerce act was amended by an act approved February 11, 1893, which provides 'that no person shall be excused from attending and testifying, or from producing books, papers, tariffs, contracts, agreements, and documents before the interstate commerce commission, or in obedience to the subpoena of the commission, whether such subpoena be signed or issued by one or more commissioners, or in any cause or proceeding, criminal or otherwise, based upon or growing out of any alleged violation of the act of congress, entitled 'An act to regulate commerce,' approved February fourth, eighteen hundred and eighty- seven, or of any amendment thereof, on the ground or for the reason that the testimony or evidence, documentary or otherwise, required of him may tend to criminate him or subject him to a penalty or forfeiture. But no person shall be prosecuted or subjected to any penalty or forfeiture for or on account of any transaction, matter or thing concerning which he may testify, or produce evidence, documentary or otherwise, before said commission, or in obedience to its subpoena, or the subpoena of either of them, or in any such case or proceeding: Provided, that no person so testifying shall be exempt from prosecution and punishment for perjury committed in so testifying. Any person who shall neglect or refuse to attend and testify, or to answer any lawful inquiry, or to produce books, papers, tariffs, contracts, agreements, and documents, if in his power to do so, in obedience to the subpoena or lawful requirement of the commission, shall be guilty of an offense, and upon conviction thereof by a court of competent jurisdiction shall be punished by fine not less than one hundred dollars nor more than five thousand dollars, or by imprisonment for not more than one year, or by both such fine and imprisonment.' 27 Stat. 443, c. 83. But that act was not in force when this case was determined below; nor does it reach the question whether a proceeding like the present one can be maintained in a circuit court of the United States.

In the course of the argument at the bar, our attention was [154 U.S. 447, 481]   called to Hayburn's Case, 2 Dall. 409, and U. S. v. Ferreira, 13 How. 40, 46, as announcing principles not in harmony with the views we have expressed in this opinion.

Hayburn's Case was an application for a mandamus to be directed to the circuit court of the United States for the district of Pennsylvania, commanding that court to proceed in a petition by Hayburn to be put on the pension list of the United States, in conformity with an act of congress approved March 23, 1792 (chapter 11), which provided for the settlement of the claims of widows and orphans barred by limitations previously established, and to regulate claims to invalid pensions. This court took the case under advisement, but, as congress provided in another way for the relief of invalid pensioners, no decision was made. Nevertheless, by a note to Hayburn's Case, we are informed of the views expressed at the circuit by different members of this court in relation to the act of 1792. They concurred in holding that it was not in the power of congress to assign to the courts of the United States any duties except such as were properly judicial, and to be performed in a judicial manner; and that the duties assigned to the circuit courts were not of that description, and were not contemplated by the act of congress as of that character; and, consequently, that the act could be considered as only appointing commissioners for the purposes mentioned in it by official instead of personal descriptions, which positions the judges of the court were at liberty to accept or decline.

In a note prepared by Chief Justice Taney, under the direction of this court, and found in 13 How. 52, an account is given of Todd's Case, which also involved the validity of the act of 1972, so far as it imposed upon the circuit courts duties relating to pensions, and it is there stated that Chief Justice Jay and Justice Cushing, upon further reflection, became satisfied that the power conferred by the act of 1792 on the circuit court as a court could not be construed as giving such power to the judges of the court as commissioners.

The same general principles were announced in Ferreira's Case, which arose under the treaty of 1819 between Spain and [154 U.S. 447, 482]   the United States, and under certain acts of congress passed to carry a particular article of that treaty into execution. The case came before this court upon appeal from a decision or award made by the district judge, acting upon a special statute authorizing him to receive and adjudicate certain claims. A motion to dismiss the appeal for want of jurisdiction in this court raised the question whether the district judge exercised judicial power, strictly speaking, under the constitution. The motion to dismiss was sustained. Chief Justice Taney, referring to the statutes under which the district judge proceeded, said: 'It is manifest that this power to decide upon the validity of these claims is not conferred on them as a judicial function to be exercised in the ordinary forms of a court of justice; for there is to be no suit, no 'parties,' in the legal acceptance of the term, are to be made, no process to issue, and no one is authorized to appear in behalf of the United States or to summon witnesses in the case. The proceeding is altogether ex parte, and all that the judge is required to do is to receive the claim when the party presents it, and to adjust it upon such evidence as he may have before him, or be able himself to obtain. But neither the evidence nor his award are to be filed in the court in which he presides, nor recorded there; but he is required to transmit both the decision and the evidence upon which he decided to the secretary of the treasury, and the claim is to be paid if the secretary thinks it just and equitable, but not otherwise. It is to be a debt from the United States upon the decision of the secretary, but not upon that of the judge. It is too evident for argument on the subject that such a tribunal is not a judicial one, and that the act of congress did not intend to make it one. The authority conferred on the respective judges was nothing more than that of a commissioner to adjust certain claims against the United States; and the office of judges and their respective jurisdictions are referred to in the law merely as a designation of the persons to whom the authority is confided, and the territorial limits to which it extends. The decision is not the judgment of a court of justice. It is the award of a commission.' 13 How. 40, 46, 47. [154 U.S. 447, 483]   It thus appears that the act of 1792, above referred to, attempted to impose upon the courts of the United States duties purely administrative in their character. So, also, the acts of congress involved in Ferreira's Case conferred no authority upon the district judge to determine finally any questions of a judicial nature, and without requiring any petition to be filed, and without empowering the district attorney to enter an appearance for the United States, so as to make it a party to the proceeding or to authorize a judgment against it, gave that officer the power only of adjusting, without the presence of parties, certain claims, the allowance and payment of which, after being so adjusted, were made to depend wholly upon the discretion of the secretary of the treasury.

Some allusion should be made in this connection to Gordon v. U. S., 117 U.S. 697 , and In re Sanborn, 148 U.S. 222 , 13 Sup. Ct. 577.

In Gordon's Case the question was whether this court had jurisdiction to review the action of the court of claims in respect to a claim examined and allowed in the latter court under an act of congress (12 Stat. 765, c. 92, 5, 7, 14), which, among other things, provided that no money should be paid out of the treasury for any claim passed upon by the court of claims until after an appropriation therefor should be estimated by the secretary of the treasury and an appropriation to pay it be made by congress. Under that act, neither the court of claims nor this court could do anything more than certify their opinion to the secretary of the treasury, and it depended upon that officer, in the first place, to decide whether he would include it in his estimates of private claims; and, if he decided in favor of the claimant, it rested with congress to determine whether it would or would not make an appropriation for its payment. Neither the court of claims nor this court could, by any process, enforce its judgment; and whether the claim was paid or not did not depend on the decision of either court, but upon the future action of the secretary of the treasury and of congress.

The appeal of Gordon was dismissed, upon the ground that congress could not 'authorize or require this court to express [154 U.S. 447, 484]   an opinion on a case where its judicial power could not be exercised, and where its judgment would not be final and conclusive upon the rights of the parties, and process of execution awarded to carry it into effect.' 'The award of execution,' said Chief Justice Taney, 'is a part, and an essential part, of every judgment passed by a court exercising judicial power. It is no 'judgment,' in the legal sense of the term, without it. Without such an award, the judgment would be inoperative and nugatory, leaving the aggrieved party without a remedy. It would be merely an opinion which would remain a dead letter, and without any operation upon the rights of the parties, unless congress should at some future time sanction it, and pass a law authorizing the court to carry its opinion into effect. Such is not the judicial power confided to this court in the exercise of its appellate jurisdiction; yet it is the whole power that the court is allowed to exercise under this act of congress.' 117 U.S. 702 . See De Groot v. U. S., 5 Wall. 419.

In Sanborn's Case, above cited, the same principles were announced. That case arose under an act of congress of March 3, 1887 (24 Stat. 505, c. 359), one section of which provided that, 'when any claim or matter may be pending in any of the executive departments which involves controverted questions of fact or law, the head of such department, with the consent of the claimant, may transmit the same, with the vouchers, papers, proofs, and documents pertaining thereto, to said court of claims, and the same shall be there proceeded in under such rules as the court may adopt. When the facts and conclusions of law shall have been found, the court shall report its findings to the department by which it was transmitted.' Section 12. This court dismissed an appeal from a finding of the court of claims, under this act. Referring to the Cases of Hayburn, Todd, Ferreira, and Gordon, above cited, it observed: 'Such a finding is not made obligatory on the department to which it is reported; certainly not so in terms, and not so, as we think, by any necessary implication. We regard the function of the court of claims, in such a case, as ancillary and advisory only. The finding or conclusion [154 U.S. 447, 485]   reached by that court is not enforceable by any process of execution issuing from the court, nor is it made by the statute the final and indisputable basis of action either by the department or by congress.' Page 226, 148 U. S., and page 577, 13 Sup. Ct.

The views we have expressed in the present case are not inconsistent with anything said or decided in those cases. They do not in any manner infringe upon the salutary doctrine that congress, excluding the special cases provided for in the constitution,-as, for instance, in section 2 of article 2 of that instrument,-may not impose upon the courts of the United States any duties not strictly judicial. The duties assigned to the circuit courts of the United States by the twelfth section of the interstate commerce act are judicial in their nature. The inquiry whether a witness before the commission is bound to answer a particular question propounded to him, or to produce books, papers, etc., in his possession, and called for by that body, is one that cannot be committed to a subordinate administrative or executive tribunal for final determination. Such a body could not, under our system of government, and consistently with due process of law, be invested with authority to compel obedience to its orders by a judgment of fine or imprisonment. Except in the particular instances enumerated in the constitution, and considered in Anderson v. Dunn, 6 Wheat. 204, and in Kilbourn v. Thompson, 103 U.S. 168 , 190, of the exercise by either house of congress of its right to punish disorderly behavior upon the part of its members, and to compel the attendance of witnesses and the production of papers in election and impeachment cases and in cases that may involve the existence of those bodies, the power to impose fine or imprisonment in order to compel the performance of a legal duty imposed by the United States can only be exerted, under the law of the land, by a competent judicial tribunal having jurisdiction in the premises. See Whitcomb's Case, 120 Mass. 118, and authorities there cited.

Without the aid of judicial process of some kind, the regulations that congress may establish in respect to interstate commerce cannot be adequately or efficiently enforced. One [154 U.S. 447, 486]   mode, as already suggested (the validity of which is not questioned), of compelling a witness to testify before the interstate commerce commission to answer questions propounded to him relating to the matter under investigation, and which the law makes it his duty to answer, and to produce books, papers, etc., is to make his refusal to appear and answer, or to produce the documentary evidence called for, an offense against the United States, punishable by fine or imprisonment. A criminal prosecution of the witness under such a statute, it is conceded, would be a case or controversy, within the meaning of the constitution, of which a court of the United States could take jurisdiction. Another mode would be to proceed by information to recover any penalty imposed by the statute. A proceeding of that character, it is also conceded, would be a case or controversy of which a court of the United States could take cognizance. If, however, congress, in its wisdom, authorizes the commission to bring before a court of the United States for determination the issues between it and a witness, that mode of enforcing the act of congress, and of compelling the witness to perform his duty, is said not to be judicial, and is beyond the power of congress to prescribe.

We cannot assent to any view of the constitution that concedes the power of congress to accomplish a named result indirectly, by particular forms of judicial procedure, but denies its power to accomplish the same result directly, and by a different proceeding judicial in form. We could not do so without denying to congress the broad discretion with which it is invested by the constitution of employing all or any of the means that are appropriate or plainly adapted to an end which it has unquestioned power to accomplish; namely, the protection of interstate commerce against improper burdens and discriminations. Indeed, of all the modes that could be constitutionally prescribed for the enforcement of the regulations embodied in the interstate commerce act, that provided by the twelfth section is the one which, more than any other, will protect the public against the devices of those who, taking advantage of special circumstances, or by means of combinations too powerful to be resisted and overcome by individual [154 U.S. 447, 487]   effort, would subject commerce among the states to unjust and unreasonable burdens.

The present proceeding is not merely ancillary and advisory. It is not, as in Gordon's Case, one in which the United States seeks from the circuit court of the United States an opinion that 'would remain a dead letter, and without any operation upon the rights of the parties.' The proceeding is one for determining rights arising out of specified matters in dispute that concern both the general public and the individual defendants. It is one in which a judgment may be rendered that will be conclusive upon the parties until reversed by this court; and that judgment may be enforced by the process of the circuit court. Is it not clear that there are here parties on each side of a dispute involving grave questions of legal rights, that their respective positions are defined by pleadings, and that the customary forms of judicial procedure have been pursued? The performance of the duty which, according to the contention of the government, rests upon the defendants, cannot be directly enforced except by judicial process. One of the functions of a court is to compel a party to perform a duty which the law requires at his hands. If it be adjudged that the defendants are, in law, obliged to do what they have refused to do, that determination will not be merely ancillary and advisory, but, in the words of Sanborn's Case, will be a 'final and indisputable basis of action,' as between the commission and the defendants, and will furnish a precedent in all similar cases. It will be as much a judgment that may be carried into effect by judicial process as one for money, or for the recovery of property, or a judgment in mandamus commanding the performance of an act or duty which the law requires to be performed, or a judgment prohibiting the doing of something which the law will not sanction. It is none the less the judgment of a judicial tribunal dealing with questions judicial in their nature, and presented in the customary forms of judicial proceedings, because its effect may be to aid an administrative or executive body in the performance of duties legally imposed upon it by congress in execution of a power granted by the constitution. [154 U.S. 447, 488]   This view is illustrated by the case of Fong Yue Ting v. U. S., 149 U.S. 698, 728 , 13 S. Sup. Ct. 1016, which arose under the act of May 5, 1892 ( chapter 60), prohibiting the coming of Chinese persons into the United States. That act provided for the arrest and removal from the United States of any person of Chinese descent unlawfully within this country, unless such person shall establish, by affirmative proof, to the satisfaction of a justice, judge, or commissioner of the United States before whom he might be brought and tried, his lawful right to remain in the United States. It also authorized the arrest of such person by any customs official, collector of internal revenue, or United States marshal, and taken before a United States judge. This court said: 'When, in the form prescribed by law, the executive officer, acting in behalf of the United States, brings the Chinese laborer before the judge, in order that he may be heard, and the facts upon which depends his right to remain in the country be decided, a case is duly submitted to the judicial power; for here are all the elements of a civil case,-a complainant, defendant, and a judge; actor, reus, et judex. 3 Bl. Comm. 25; Osborn v. Bank, 9 Wheat. 738, 819. No formal complaint or pleadings are required, and the want of them does not affect the authority of the judge or the validity of the statute.'

Another suggestion thrown out in argument against the validity of the twelfth section of the interstate commerce act, in the particular adverted to, is that the defendants are not accorded a right of trial by jury. If, as we have endeavored to show, this proceeding makes a case or controversy within the judicial power of the United States, the issue whether the defendants are under a duty to answer the questions propounded to them, and to produce the books, papers, documents, etc., called for, is manifestly not one for the determination of a jury. The issue presented is not one of fact, but of law exclusively. In such a case the defendant is no more entitled to a jury than is a defendant in a proceeding by mandamus to compel him, as an officer, to perform a ministerial duty. Of course, the question of punishing the defendants for contempt could not arise before the commis- [154 U.S. 447, 489]   sion; for, in a judicial sense, there is no such thing as contempt of a subordinate administrative body. No question of contempt could arise until the issue of law, in the circuit court, is determined adversely to the defendants, and they refuse to obey, not the order of the commission, but the final order of the court; and, in matters of contempt, a jury is not required by 'due process of law.' From the very nature of their institution, and that their lawful judgments may be respected and enforced, the courts of the United States possess the power to punish for contempt; and this inherent power is recognized and enforced by a statute expressly authorizing such courts to punish contempts of their authority when manifested by disobedience of their lawful writs, process, orders, rules, decrees, or commands. Rev. St. 725; 1 Stat. 83; 4 Stat. 487; U. S. v. Hudson, 7 Cranch, 32; Anderson v. Dunn, 6 Wheat. 204, 227; Ex parte Robinson, 19 Wall. 505, 510; Ex parte Terry, 128 U.S. 289, 302 , 303 S., 9 Sup. Ct. 77; Cartwright's Case, 114 Mass. 230, 238. Surely, it cannot be supposed that the question of contempt of the authority of a court of the United States, committed by a disobedience of its orders, is triable, of right, by a jury.

We are of opinion that a judgment of the circuit court of the United States determining the issues presented by the petition of the interstate commerce commission and by the answers of the appellees will be a legitimate exertion of judicial authority in a case or controversy to which, by the constitution, the judicial power of the United States extends. A final order by that court dismissing the petition of the commission, or requiring the appellees to answer the questions propounded to them, and to produce the books, papers, etc., called for, will be a determination of questions upon which a court of the United States is capable of acting, and which may be enforced by judicial process. If there is any legal reason why appellees should not be required to answer the questions put to them, or to produce the books, papers, etc., demanded of them, their rights can be recognized and enforced by the court below when it enters upon the consideration of the merits of the questions presented by the petition. [154 U.S. 447, 490]   In view of the conclusion reached upon the only question determined by the circuit court, what judgment shall be here entered? The case was heard below upon the petition of the commission and the answers of the defendants. But no ruling was made in respect to the materiality of the evidence sought to be obtained from the defendants. Passing by every other question in the case, the circuit court, by its judgment, struck down so much of the twelfth section as authorized or required the courts to use their process in aid of inquiries before the commission. Under the circumstances, we do not feel obliged to go further at this time than to adjudge, as we now do, that that section, in the particular named, is constitutional, and to remand the cause, that the court below may proceed with it upon the merits of the questions presented by the petition and the answers of the defendants, and make such determination thereof as may be consistent with law. Any other course would, it might be apprehended, involve the exercise of original jurisdiction, and might possibly work injustice to one or the other of the parties.

For the reasons stated the judgment is reversed, and the cause is remanded for further proceeding in conformity with this opinion. Reversed.

Mr. Justice FIELD was not present at the argument, and took no part in the consideration or decision of this case. Mr. Chief Justice FULLER, Mr. Justice BREWER, and Mr. Justice JACKSON dissented

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