Section was formerly classified to section 613a of Title 5 prior to the general revision and enactment of Title 5, Government Organization and Employees, by Pub. L. 89–554, § 1, Sept. 1, 1966, 80 Stat. 378.

For transfer of functions of other officers, employees, and agencies of Department of Labor, with certain exceptions, to Secretary of Labor, with power to delegate, see Reorg. Plan No. 6, of 1950, §§ 1, 2, 15 F.R. 3174, 64 Stat. 1263, set out in the Appendix to Title 5, Government Organization and Employees.