00521oam 2200157z- 450 9910714693603321(CKB)4970000000050665(EXLCZ)99497000000005066520230509c1988uuuu -u- -engS. 42 optional early retirement program for federal employeesWashington, D.CUnited States General Accounting OfficeBOOK9910714693603321S. 42 optional early retirement program for federal employees3333390UNINA