(a) Notwithstanding any other provision of this chapter, for each fiscal year for which this section is operative, the auditor for a county of the second class shall determine those amounts of ad valorem property tax revenue deemed allocated in the prior fiscal year to jurisdictions within that county in those amounts that would be determined if all of the following were true:

1. (1) Chapter 745 of the Statutes of 1995 had not been enacted.
2. (2) The amount of ad valorem property tax revenue allocated in the 1995–96 fiscal year to a flood control district or a harbors, beaches, and parks fund was reduced by four million dollars ($4,000,000).
3. (3) The amount of ad valorem property tax revenue allocated in the 1995–96 fiscal year was increased by the total amount of the reductions specified by paragraph (2).

(b)

1. (1) For the fiscal year after the last fiscal year for which this section is operative, the auditor for a county of the second class shall allocate ad valorem property tax revenues to jurisdictions within the county in those amounts that would be determined if subdivision (a) had never applied to any preceding fiscal year.
2. (2) Notwithstanding any other provision of this section, no action shall be taken pursuant to this section that adversely affects any flood control project with respect to the Santa Ana River.