Section 1371, act Mar. 2, 1931, ch. 375, 1, 46 Stat. 1471, related to employees entitled to retirement privileges. Section 1371a, acts Mar. 2, 1931, ch. 375, 2, 46 Stat. 1471; June 19, 1934, ch. 667, 1, 48 Stat. 1122; July 29, 1942, ch. 536, 1, 56 Stat. 726, related to automatic separation. Section 1371b, acts Mar. 2, 1931, ch. 375, 3, 46 Stat. 1472; July 2, 1945, ch. 220, 59 Stat. 212, related to voluntary retirement.