Section, acts Mar. 2, 1917, ch. 145, § 57, 39 Stat. 968 ; May 17, 1932, ch. 190, 47 Stat. 158 , continued certain Puerto Rican Laws in force and authorized the legislative authority to modify or repeal laws. Section 15 of act Apr. 12, 1900, ch. 191, 31 Stat. 80 , formerly cited as a credit to this section, was not repealed by act July 3, 1950 . Statutory Notes and Related Subsidiaries Effective Date of Repeal Repeal effective July 25, 1952 , see Effective Date of Repeal note set out under section 732 of this title .