The Uniform Relocation Assistance and Real Property Acquisition Policies Act of 1970, referred to in text, 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.

1980—Pub. L. 96–336, § 5, substituted appropriations authorization of $356,400,000 to carry out sections 1571, 1572, 1573, and 1579 of this title for prior authorizations of $121,500,000 and $34,000,000 for purposes of sections 1571 and 1572, and 1573 of this title, and use of January 1979 for April 1973 price basis, authorized sums of $3,579,000 and $6,960,000 for mitigation of fish and wildlife losses in California and Arizona, and provided for cost savings desalinization plant operations limited to five percent of appropriations authorization.

Pub. L. 96–336, § 5, Sept. 4, 1980, 94 Stat. 1064, provided that the amendment made by section 5 is effective Oct. 1, 1979.