U.S. Code as of: 01/02/2006
Section 639 - Notes
      Section, acts Apr. 19, 1950, ch. 92, Sec. 9, 64 Stat. 47; Oct.
    30, 1972, Pub. L. 92-603, title III, Sec. 303(c), 86 Stat. 1484;
    Dec. 31, 1973, Pub. L. 93-233, Sec. 19(a), 87 Stat. 974, related to
    additional Social Security contributions to States for State
    expenditures for aid to dependent children to Navajo and Hopi
    Indians.


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