For definition of Canal Zone, referred to in subsec. (b), see section 3602 (b) of Title 22, Foreign Relations and Intercourse.

1967—Subsec. (b). Pub. L. 90–83 substituted reference to section 5102 (c)(7) of title 5 for reference to par. (7) of section 202 of the Classification Act of 1949 to reflect the amendment of section 5341 (a) of title 5 by section 1(97) of Pub. L. 90–83 and struck out provision covering employees described in section 7474 of title 10 in view of the repeal of section 7474 of title 10 by Pub. L. 89–554.

1966—Pub. L. 89–601 designated existing provisions as subsec. (a) and added subsec. (b).

Amendment by Pub. L. 89–601 effective Feb. 1, 1967, except as otherwise provided, see section 602 of Pub. L. 89–601, set out as a note under section 203 of this title.

Secretary authorized to promulgate necessary rules, regulations, or orders on and after the date of the enactment of Pub. L. 89–601, Sept. 23, 1966, with regard to the amendments made by Pub. L. 89–601, see section 602 of Pub. L. 89–601, set out as a note under section 203 of this title.