48 U.S.C. § 737

Privileges and immunities

The rights, privileges, and immunities of citizens of the United States shall be respected in Puerto Rico to the same extent as though Puerto Rico were a State of the Union and subject to the provisions of paragraph 1 of section 2 of article IV of the Constitution of the United States.

( Mar. 2, 1917, ch. 145, § 2 , 39 Stat. 951 ; Feb. 3, 1921, ch. 34, § 1 , 41 Stat. 1096 ; Mar. 2, 1934, ch. 37, § 1 , 48 Stat. 361 ; Aug. 5, 1947, ch. 490, § 7 , 61 Stat. 772 ; July 3, 1950, ch. 446, § 5(1) , 64 Stat. 320 .)