(a) The Legislature hereby declares its intent that, except as funds are provided pursuant to Section 11915, there shall be included in the budget for the department for each fiscal year, and in the Budget Act for each fiscal year, an appropriation from the General Fund of the funds necessary for enhancement of fish and wildlife and for recreation in connection with state water projects as provided in this chapter.
(b) Notwithstanding subdivision (a), the obligation of the State Water Resources Development System to reimburse the California Water Fund pursuant to paragraph (3) of subdivision (b) of Section 12937 shall be reduced by the total of unreimbursed department costs incurred in the 1988–89 fiscal year and each succeeding fiscal year for enhancement of fish and wildlife and for recreation pursuant to this chapter. The reduction shall be contingent upon annual approval by the Legislature, in the Budget Act or other act, of the department’s allocation of those costs.