Assistance checks representing bonus amounts paid pursuant to 42 U.S.C. 657 and such checks representing refunds paid pursuant to 42 U.S.C. 657 in those cases in which the payee of such checks cannot be found, shall revert to the state and federal treasuries in proportion to the rate of state-federal match applicable to the assistance program. Such amounts will revert to the government only after sixty days have elapsed since the date such checks became invalid and a diligent search by the agency administering the assistance program has failed toascertain the whereabouts of the payee.
La. R.S. § 46:234.1