Section 433, acts Aug. 4, 1949, ch. 393, 63 Stat. 528; Sept. 27, 1949, ch. 586, 63 Stat. 698; Sept. 24, 1963, Pub. L. 88–130, § 1(11), 77 Stat. 190; Oct. 12, 1982, Pub. L. 97–295, § 2(11), (14), 96 Stat. 1302, related to personnel of former Bureau of Marine Inspection and Navigation and Bureau of Customs. Section 434, added act Sept. 23, 1950, ch. 996, 64 Stat. 978; amended Oct. 12, 1982, Pub. L. 97–295, § 2(14), 96 Stat. 1302, related to personnel appointed as constructors.