25 U.S.C. § 509 : Indians — Miscellaneous — Indians In Oklahoma: Promotion Of Welfare — Rules And Regulations; Repeals Date: 17 Mar 2016 TEXT PDF The Secretary of the Interior is authorized to prescribe such rules and regulations as may be necessary to carry out the provisions of this subchapter. All Acts or parts of Acts inconsistent with this subchapter are repealed. (June 26, 1936, ch. 831, § 9, 49 Stat. 1968.)