Section as applicable to all works of improvement and plans for such works under the provisions of this chapter, see Extension of Benefits note set out under section 1001 of this title.

Alaska was admitted into the Union on Jan. 3, 1959, on issuance of Proc. No. 3269, Jan. 3, 1959, 24 F.R. 81, 73 Stat. c16, and Hawaii was admitted into the Union on Aug. 21, 1959, on issuance of Proc. No. 3309, Aug. 21, 1959, 24 F.R. 6868, 73 Stat. c74. For Alaska Statehood Law, see Pub. L. 85–508, July 7, 1958, 72 Stat. 339, set out as a note preceding former section 21 of Title 48, Territories and Insular Possessions. For Hawaii Statehood Law, see Pub. L. 86–3, Mar. 18, 1959, 73 Stat. 4, set out as a note preceding former section 491 of Title 48.