Subpart B - Insured Status and Quarters of Coverage Authority:Secs. 205(a), 212, 213, 214, 216, 217, 223, and 702(a)(5) of the Social Security Act (42 U.S.C. 405(a), 412, 413, 414, 416, 417, 423, and 902(a)(5)). Source:45 FR 25384, Apr. 15, 1980, unless otherwise noted.