Section, Pub. L. 92–51, July 9, 1971, 85 Stat. 130; Pub. L. 93–145, Nov. 1, 1973, 87 Stat. 532; Pub. L. 93–371, § 5, Aug. 13, 1974, 88 Stat. 430, related to emergency duty overtime pay from funds disbursed by Secretary of the Senate.

Section was classified to section 206c of former Title 40, prior to the enactment of Title 40, Public Buildings, Property, and Works, by Pub. L. 107–217, § 1, Aug. 21, 2002, 116 Stat. 1062.