# § 398d. Changes in boundaries of Executive order reservations
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.
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**Source Credit**: (Mar. 3, 1927, ch. 299, § 4, 44 Stat. 1347; Pub. L. 94–579, title VII, § 704(a), Oct. 21, 1976, 90 Stat. 2792.)
## Editorial Notes
### Amendments
1976— struck out proviso relating to nonapplicability of provisions to temporary withdrawals by Secretary of the Interior.
## Statutory Notes and Related Subsidiaries
### Effective Date of 1976 Amendment
, , , provided that the amendment made by that section is effective on and after .
### Savings Provision
Amendment by not to be construed as terminating any valid lease, permit, patent, etc., existing on , see Savings Provision note set out under , Public Lands.