25 U.S.C. § 398d
Changes in the boundaries of reservations created by Executive order, proclamation, or otherwise for the use and occupation of Indians shall not be made except by Act of Congress.
(Mar. 3, 1927, ch. 299, § 4, 44 Stat. 1347; Pub. L. 94–579, title VII, § 704(a), , 90 Stat. 2792.)
1976—Pub. L. 94–579 struck out proviso relating to nonapplicability of provisions to temporary withdrawals by Secretary of the Interior.
Pub. L. 94–579, title VII, § 704(a), , 90 Stat. 2792, provided that the amendment made by that section is effective on and after .
Amendment by Pub. L. 94–579 not to be construed as terminating any valid lease, permit, patent, etc., existing on , see Savings Provision note set out under section 1701 of Title 43, Public Lands.