The defendant, Louisiana Public Service Commission, successor to the Railroad Commission of Louisiana, has invoked the supervisory powers of this court ■to prevent the trial of a suit against the Commission in the district court of Beauregard parish, or elsewhere than at the domicile of the Commission.
The object of the suit was to annul an order of the Commission requiring the plaintiff railroad companies to construct an overhead crossing, over a public highway in the parish of Beauregard.
*785[1] Tlie defendant Commission filed a plea to tlie jurisdiction of tlie court ratione materias. During the argument of the plea defendant filed another plea to the jurisdiction, styling it a plea to the jurisdiction ratione persons® et materias. Having heard the arguments on both pleas, the court overruled the plea to tlie jurisdiction ratione máteriío, and on a subsequent date overruled the plea to the jurisdiction ratione persome. The reason given by the court for overruling the latter plea was that the filing and argument of the plea to the jurisdiction ratione materise was a waiver of whatever right the defendant might have had to plead to the jurisdiction ratione personae.
In our opinion, it was a matter of no importance that defendant's attorney first characterized his plea to the jurisdiction as being ratione materise, and thereafter, jjerliaps as a matter of extraordinary precaution, characterized it as being ratione persons®. The two pleas were founded upon the one contention that jurisdiction over the subject-matter of the suit was confined to the district court of the parish where the domicile of the Commission was fixed by a provision in the state Constitution. It was more approxiriate to characterize the plea to the jurisdiction as being ratione materii® than to characterize it as being ratione personre, not only because it referred directly to the subject-matter of the suit, but because it is extremely doubtful that the declining to submit to tlie jurisdiction of the court in this ease was merely a privilege or right that might have been waived by the Commission.
[2] The ruling of the district court overruling the plea to the jurisdiction ratione materias is founded upon section 4 of Act 132 of 191S, xx 22G, purporting to confer upon the district court of any parish in which the Commission orders a railroad crossing constructed jurisdiction of a suit contesting the order of the Commission. The defendant Commission contends that the law, in so far as it purports to confer such jurisdiction is unconstitutional.
Article 283 of the Constitution of 189S, and the corresponding article of the Constitution of 1913, fixed the domicile of the commission at Baton Rouge. Article 284 of the Constitution of 1S98 and the corresponding article of the Constitution of 1913 invested the Commission with authority to adopt reasonable and just rates, charges, and regulations to govern railroads and water craft, sleexiing cars, freight and passenger tariffs and service, express rates, telephone and telegraph; charges, to correct abuses and prevent unjust discrimination or extortion in the rates of the different railroads, water craft, etc., to require railroad companies to build and maintain suitable depots, switches, and appurtenances, wherever reasonably necessary, to require railroads to keep their tracks and bridges in a safe condition, to adjust rates between short lines and connecting trunk lines, and to enforce the orders of the commission by having penalties imposed through the courts having jurisdiction. Article 285 of the Constitution of 189S, and the corresponding article of the Constitution of 1913, declared that any railroad company, express company, telephone or telegraph company, etc., not satisfied with any rate, classification, ruje, order, or regulation, adopted by the Commission, might file suit against the commission, “in a court of competent jurisdiction, at the domicile of the Commission.” Article 288 of the Constitution of 189S, .and the corresponding article of the Constitution of 1913, authorized the Legislature to add to or enlarge the powers and duties of the Commission, or to confer other powers or impose other duties upon the Commission. The second paragraph of Section 5 of article 6 of the Constitution of 1921, which went into effect after this suit was filed, but before the judge ruled upon *787the plea to the jurisdiction, declares that any party in interest may appeal from an order or decree of the Commission by filing suit, within 90 days from the date of the Commission’s order, and not thereafter, “against the Commission at its domicile.”
Act 132 of 1918 appears to have been enacted pursuant to the authority conferred upon the Legislature by article 288 of the Constitution of 189S, retained in the corresponding article of the Constitution of 1913, to add to or enlarge the powers and duties of tire Commission. Sections 1 and 2 of the statute undertake to make it the duty of the Commission to require the owner, possessor, or operator of any railroad, railway, tram-road, etc., to construct and maintain a suitable crossing over a public highway, according to specifications of the state highway department of the Board of State Engineers, if the police jury of the parish certifies to the Commission that any railroad, railway, etc., refuses to construct such crossing. Section 3 of the statute declares that the orders of the Commission in that respect shall be enforced in the manner provided by articles 284 to 289 of the Constitution, by the imposition of the penalties provided therein for violations of the orders of the Commission. Section 4 of the statute declares that the owner, possessor, or operator of any railway, railroad, tramroad, etc., may, within 30 days, but not thereafter, contest any order of the Commission by filing a petition in the district court of the parish in which the road crossing is located.
Our opinion is that section'4 of the act of 1918, in so far as it purports to confer upon other courts than the district court of the. parish of East Baton Bouge jurisdiction to try a suit contesting an order of the Commission, is unconstitutional. When the law authorizes the institution of a suit against a department of the state government, for a cause of action specified in the law authorizing the suit, the right of action does not extend beyond such terms or conditions as are specified in the law. When such a right of action is restricted by express provisions of the Constitution, they must prevail over any attempt on the part of the Legislature to abolish or extend the restrictions.
It is argued on behalf of the plaintiff that the constitutional provision that a railroad company complaining of an order of the Commission “may file a petition * * * in a court of competent jurisdiction, at the domicile of the Commission,” does not necessarily imply that the suit may not be filed in a court elsewhere. But the language appears to us too plain to admit of any doubt that such a suit may be filed at the domicile of the Commission, but not elsewhere. The word “must” would not be appropriate, in the place of the word “may,” because a complainant is never obliged to file a suit anywhere.
It is ordered that the rule issued herein be now made absolute; that relator’s plea to the jurisdiction of the district court be maintained; that the suit of the plaintiffs herein, the Gulf, Colorado & Santa FS Bail-way Company and the Jasper & Eastern Bailway Company, be therefore dismissed; and that they pay the costs of the district court and of the proceedings in this court.