The Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, referred to in subsec. (d), is Pub. L. 91–646, Jan. 2, 1971, 84 Stat. 1894, which is classified principally to chapter 61 (§ 4601 et seq.) of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see Short Title note set out under section 4601 of Title 42 and Tables.

1978—Subsec. (a). Pub. L. 95–625 authorized acquisition of lands within the exterior boundaries of the area by the Secretary of the Interior, retention of use and occupancy rights, termination of Federal agency authority over lands and transfer of authority and funds to the Secretary of the Interior, and prescribed acquisition priorities for the Secretary of the Interior.

1972—Subsec. (d). Pub. L. 92–575 provided for waiver of benefits or rights under the Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, upon election to retain right of use and occupancy pursuant to this subchapter.