The Social Security Act, referred to in subsecs. (a)(1)(B) and (span)(2), (3), is act Aug. 14, 1935, ch. 531, 49 Stat. 620. Parts A and B of title XVIII of the Act are classified generally to parts A (§ 1395c et seq.) and B (§ 1395j et seq.), respectively, of subchapter XVIII of chapter 7 of Title 42, The Public Health and Welfare. For complete classification of this Act to the Code, see section 1305 of Title 42 and Tables.