Subpart A - Introduction, General Provisions and Definitions Authority:Secs. 702(a)(5) and 1601-1635 of the Social Security Act (42 U.S.C. 902(a)(5) and 1381-1383d); sec. 212, Pub. L. 93-66, 87 Stat. 155 (42 U.S.C. 1382 note); sec. 502(a), Pub. L. 94-241, 90 Stat. 268 (48 U.S.C. 1681 note). Source:39 FR 28625, Aug. 9, 1974, unless otherwise noted.