P.R. Laws tit. 4, § 882
All oaths, affidavits and affirmations, that are necessary or convenient, or required by law, may be administered within Puerto Rico, and certificates given thereof, by any judge of the Supreme Court, or of the Circuit Court of Appeals, of the Court of First Instance, or any clerk of the said courts, or any notary public, or any Commissioner of the United States for the District of Puerto Rico; Provided, That the prosecuting attorney of the Supreme Court of Puerto Rico is likewise authorized by §§ 881—885 of this title to administer oaths in such cases in which the law permits prosecuting attorneys of the Court of First Instance to administer them, whenever by special delegation or substitution of any such prosecuting attorney of the Court of First Instance he shall conduct any investigation especially instrusted by law to said prosecuting attorneys of the Court of First Instance.
History —Mar. 12, 1903, p. 39, § 2; Mar. 8, 1904, p. 151, § 1; Mar. 9, 1910, No. 13, p. 77, § 1; June 6, 2000, No. 90, § 1.