La. R.S. 53:103

The department of public welfare, or such other department, office, agency or commission, designated by the Governor for the purpose, shall have power and authority to accept any grant of assistance, made available by the federal government for any of the purposes mentioned in this Chapter; provided, that all grants of monetary assistance and the cost of investigation and services made under the provisions of this Chapter shall be paid out of the regular state appropriation made to the department, office, agency or commission affected, on the condition that such department, office, agency or commission has entered into a prior agreement with the appropriate federal agency providing for reimbursement for these expenditures.