a. Except as otherwise provided in subsection b. of this section, no moneys deposited in the Casino Revenue Fund established by section 145 of the "Casino Control Act," P.L. 1977, c. 110 (C. 5:12-145) may be appropriated to fund a program which was established by law on or before the effective date of that act.
b. Moneys deposited in the Casino Revenue Fund may be appropriated, within the limits set forth in the "Casino Control Act," P.L. 1977, c. 110 (C. 5:12-1 et seq.), for the costs of a program established on or before the effective date of that act, which costs are the result of:
(1) An increase in benefit levels provided by law after the effective date of the "Casino Control Act," P.L. 1977, c. 110 (C. 5:12-1 et seq.); or
(2) An increase in the size of the recipient population due to changes made, pursuant to law enacted after the effective date of the "Casino Control Act," P.L. 1977, c. 110 (C. 5:12-1 et seq.), in the criteria of eligibility for the program.