P.R. Laws tit. 4, § 24s
The Supreme Court or each of its courtrooms shall hear on the following matters:
(a) At first resort, on remedies such as mandamus, habeas corpus, quo warranto, restraining order, and any other legal remedy and cause determined by law. Likewise, each of the judges in said Court shall be able to hear in first resort, the remedies of habeas corpus and mandamus, but their rulings in such cases shall be subject to review by the Supreme Court, which, when so requested by the interested party, shall review the ruling of the judge in any of such cases within ten (10) days after being served, and shall pronounce judgment as appropriate.
(b) Through a remedy of appeal, the final judgment pronounced by the Court of Appeals in which the unconstitutionality of a law, joint resolution, concurrent resolution, rule or regulation of an agency or public instrumentality, or a municipal ordinance, has been determined under the Constitution of the United States or the Constitution of the Commonwealth of Puerto Rico.
(c) Through a remedy of appeal, when the [existence] of a conflict between the judgments of the Court of Appeals is stated in cases appealed before said court.
(d) Through a writ of certiorari, to be issued discretionally, shall review the other judgments or resolutions of the Court of Appeals within the terms provided in the rules of procedure or in special laws.
(e) Through a certiorari, to be issued discretionally, motu proprio or at the request of a party, it shall be able to bring forth immediately, to consider and to resolve, any matter pending before the Court of First Instance or the Court of Appeals, when the existence of a conflict between previous decisions of the Court of Appeals is being established, or when new questions of law or of high public interest that include any substantial constitutional matter under the Constitution of the Commonwealth of Puerto Rico or the Constitution of the United States, are being established.
(f) Through a writ of certification, it shall be able to take cognizance of any matter certified to it by the United States Supreme Court, a United States Circuit Court of Appeals, a United States District Court, or the highest court of appeals of any of the states of the United States of America, as well as by the lower courts of the states of the United States of America, when thus requested by any of said courts, if there is any judiciary matter before the requesting court in which matters pertaining to Puerto Rican law are involved that may determine the outcome thereof, and with regard to which, in the opinion of the petitioning court, there are no clear precedents in the jurisprudence of said court.
(g) By means of a governmental recourse of a final qualification of a Property Registrar, denying the entry requested by the petitioner, pursuant to the terms and requirements in §§ 2001 et seq. of Title 30.
(h) Of any other recourses or causes determined by special statute.
History —Aug. 22, 2003, No. 201, § 3.002, eff. 90 days after Aug. 22, 2003; May 17, 2012, No. 87, § 1.