Notwithstanding any other provision of law, the property tax apportionment factors applied in allocating property tax revenues in the County of Riverside for each fiscal year to the 1999–2000 fiscal year, inclusive, are deemed to be correct. However, for the 2000–01 fiscal year and each fiscal year thereafter, property tax apportionment factors applied in allocating property tax revenues in the County of Riverside shall be determined on the basis of property tax apportionment factors for prior fiscal years that have been fully corrected and adjusted, pursuant to the review and recommendation of the Controller, as would be required in the absence of the preceding sentence.