Section
160a, act Apr. 11, 1950, ch. 86, 1, 64 Stat. 43, related to employees pursuing graduate study or research. Section
160b, act Apr. 11, 1950, ch. 86, 2, 64 Stat. 43, related to acceptable types of graduate study and research. Section
160c, act Apr. 11, 1950, ch. 86, 3, 64 Stat. 43, related to duration of leaves of absence available. Section
160d, act Apr. 11, 1950, ch. 86, 4, 64 Stat. 43, related to payment of tuition and expenses. Section
160e, act Apr. 11, 1950, ch. 86, 5, 64 Stat. 43, related to continuation of salary and leave benefits. Section
160f, acts Apr. 11, 1950, ch. 86, 6, 64 Stat. 43; May 6, 1954, ch. 183, 68 Stat. 78; Mar. 17, 1958, Pub. L. 85–349, 72 Stat. 48, related to limitation on government expenditure.