29 U.S.C. § 728: Expenditure of certain amounts

(a) ExpenditureAmounts described in subsection (b) may not be expended by a State for any purpose other than carrying out programs for which the State receives financial assistance under this subchapter, under subchapter VI, or under subchapter VII. (b) AmountsThe amounts referred to in subsection (a) are amounts provided to a State under the Social Security Act (42 U.S.C. 301 et seq.) as reimbursement for the expenditure of payments received by the State from allotments under section 730 of this title.