CFR › Title 20 › Part 640 › §640.220 CFR §640.2Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Conformity. Section 303(a)(1) of the Social Security Act, 42 U.S.C. 503(a)(1), requires that a State law include provision for:(b)Compliance. Section 303(b)(2) of the Social Security Act, 42 U.S.C. 503(b)(2), provides in part that: