The Social Security Act, referred to in subsec. (b)(2)(C), (4), is act Aug. 14, 1935, ch. 531, 49 Stat. 620. Part E of title IV of the Act is classified generally to part E (§ 670 et seq.) of subchapter IV 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.