The provisions of this Act shall not apply to any of the Territories, colonies, or insular possessions of the United States, except that sections 9 , 10 , 11 , 12 , and 16 [ 25 U.S.C. 5112 , 5113, 5115, 5116, 5123] shall apply to the Territory of Alaska: Provided, That sections 4, 7, 16, 17, and 18 of this Act [ 25 U.S.C. 5107 , 5110, 5123, 5124, 5125] shall not apply to the following-named Indian tribes, the members of such Indian tribes, together with members of other tribes affiliated with such named tribes located in the State of Oklahoma, as follows: Cheyenne, Arapaho, Apache, Comanche, Kiowa, Caddo, Delaware, Wichita, Osage, Kaw, Otoe, Tonkawa, Pawnee, Ponca, Shawnee, Ottawa, Quapaw, Seneca, Wyandotte, Iowa, Sac and Fox, Kickapoo, Pottawatomi, Cherokee, Chickasaw, Choctaw, Creek, and Seminole. Section 4 of this Act [ 25 U.S.C. 5107 ] shall not apply to the Indians of the Klamath Reservation in Oregon. (June 18, 1934, ch. 576, § 13, 48 Stat. 986 ; Pub. L. 101–301, § 3(b) , May 24, 1990 , 104 Stat. 207 .) Editorial Notes References in Text This Act, referred to in text, is act June 18, 1934, ch. 576, 48 Stat. 984 , popularly known as the Indian Reorganization Act , which is classified generally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 5101 of this title and Tables. Codification Section was formerly classified to section 473 of this title prior to editorial reclassification and renumbering as this section. Amendments 1990— Pub. L. 101–301 substituted “sections 4,” for “sections 2, 4,” in proviso. Executive Documents Admission of Alaska as State Admission of Alaska into the Union was accomplished Jan. 3, 1959 , on issuance of Proc. No. 3269, Jan. 3, 1959 , 24 F.R. 81 , 73 Stat. c16, as required by sections 1 and 8(c) of Pub. L. 85–508 , July 7, 1958 , 72 Stat. 339 , set out as notes preceding section 21 of Title 48 , Territories and Insular Possessions.