(a) The following payments received by the District under Part D of Title IV of the Social Security Act, approved January 4, 1975 (88 Stat. 2351; 42 U.S.C. § 651 et seq.), and appropriated by Congress shall be allocated exclusively to the IV-D agency for the purpose of funding for the IV-D program:
(1) Reimbursements from the federal government for fixed percentages of the costs of administering the IV-D program;
(2) Incentive payments received by the District based on the performance of the District’s IV-D program;
(3) Support collections retained by the District pursuant to section 457 of the Social Security Act, approved January 4, 1975 (88 Stat. 2356; 42 U.S.C. § 657); and
(4) Reimbursements and fees received in connection with the operation of the IV-D program.
(b) The payments specified in subsection (a)(2), (3), and (4) of this section shall not lapse at the end of any fiscal year or at any other time, but shall continue to be available to the IV-D agency for the purpose of funding the IV-D program until expended, subject to authorization by Congress in an appropriations act.
(c) The payments allocated to the IV-D agency pursuant to subsection (a) of this section shall be in addition to the annual appropriation for the IV-D agency.