99.3.
For the purposes of the computations required by this chapter:(a) If a public safety finance agency is formed by a county or city and county ordinance pursuant to Section 55650 of the Government Code and is located within a county or city and county for which an income tax authorized by Part 10.1 (commencing with Section 18201) has been approved by the voters, in the fiscal year that begins during the first taxable year in which that income tax is imposed, the auditor shall do all of the following:
(1) Reduce the total amount of ad valorem property tax revenue allocated to a city by that city’s public safety amount.
(2) Reduce the total amount of ad valorem property tax revenue allocated to the county by the county public safety amount.
(3) Reduce the total amount of ad valorem property tax revenue allocated to a city and county by the city and county public safety amount.
(4) Allocate the cumulative public safety amount to a public safety finance agency.
(b) In the fiscal year that begins during the first taxable year in which a county or city and county ceases to impose an income tax that was imposed pursuant to Part 10.1 (commencing with Section 18201), the auditor shall do all of the following:
(1) Increase the total amount of ad valorem property tax revenue allocated to a city by that city’s adjusted public safety amount.
(2) Increase the total amount of ad valorem property tax revenue allocated to the county by the county adjusted public safety amount.
(3) Increase the total amount of ad valorem property tax revenue allocated to a city and county by the city and county adjusted public safety amount.
(4) Decrease the total amount of ad valorem property tax revenue allocated to a public safety finance agency by the adjusted cumulative public safety amount.
(c) In each fiscal year that follows a fiscal year in which subdivision (a) or (b) applies, ad valorem property tax revenue allocations made pursuant to Sections 96.1 and 96.5 shall fully incorporate the allocation adjustments made by this section.
(d) For purposes of this section:
(1) Upon the approval of an income tax authorized by Part 10.1 (commencing with Section 18201), the governing body of the imposing county or city and county shall give notice of that approval to the Franchise Tax Board and to the auditor of the county or city and county. The notice to the Franchise Tax Board shall specify the county or city and county that has received approval for the imposition of the income tax.
(2) (A) The Franchise Tax Board shall, within 60 days of receiving notice of the approval of the income tax authorized by Part 10.1 (commencing with Section 18201), estimate, based upon historical data on state income tax collections for residents of that county or city and county, the amount of income tax to be collected on behalf of the county or city and county in the first 12 months in which that income tax is imposed, and notify the county auditor of this estimate.
(B) Upon receipt of the estimate described in subparagraph (A), the county auditor shall, based upon this estimate, determine the amount of this estimated amount that would have been allocated to the county and to the cities in the county in that year pursuant to Section 55652 of the Government Code.
(3) A city’s “public safety amount” means an amount of ad valorem property tax revenue equal to the lesser of:
(A) Fifty percent of the amount estimated, with respect to that city, by the county auditor pursuant to subparagraph (B) of paragraph (2).
(B) All of the ad valorem property tax revenue that is to be allocated to that city in the fiscal year in which subdivision (a) applies.
(4) The “county public safety amount” of a county means an amount of ad valorem property tax revenue equal to the lesser of:
(A) Fifty percent of the amount estimated, with respect to that county, by the county auditor pursuant to subparagraph (B) of paragraph (2).
(B) All of the ad valorem property tax revenue that is to be allocated to that county in the fiscal year in which subdivision (a) applies.
(5) The “city and county public safety amount” means an amount of ad valorem property tax revenue equal to the lesser of:
(A) Fifty percent of the amount estimated, with respect to that city and county, by the Franchise Tax Board pursuant to subparagraph (A) of paragraph (2).
(B) All of the ad valorem property tax revenue that is to be allocated to that city and county in the fiscal year in which subdivision (a) applies.
(6) “Cumulative public safety amount” means:
(A) With respect to a county, an amount of ad valorem property tax revenue equal to the total of the amounts determined, pursuant to paragraphs (3) and (4), for the county and all the cities in the county in the fiscal year in which subdivision (a) applies.
(B) With respect to a city and county, an amount of ad valorem property tax revenue equal to the total of the amount determined, pursuant to paragraph (5), for the city and county in the fiscal year in which subdivision (a) applies.
(7) A city’s “adjusted public safety amount” means an amount of ad valorem property tax revenue equal to the difference between the following two amounts:
(A) The amount of that revenue that would otherwise have been allocated to that city in the fiscal year in which subdivision (b) applies if subdivisions (a) and (c) did not apply in any fiscal year.
(B) The amount of that revenue that would otherwise have been allocated to that city in the fiscal year in which subdivision (b) applies if subdivision (b) did not apply in that fiscal year.
(8) The “county adjusted public safety amount” means an amount of ad valorem property tax revenue equal to the difference between the following two amounts:
(A) The amount of that revenue that would otherwise have been allocated to that county in the fiscal year in which subdivision (b) applies if subdivisions (a) and (c) did not apply in any fiscal year.
(B) The amount of that revenue that would otherwise have been allocated to that county in the fiscal year in which subdivision (b) applies if subdivision (b) did not apply in that fiscal year.
(9) The “city and county adjusted public safety amount” means an amount of ad valorem property tax revenue equal to the difference between the following two amounts:
(A) The amount of that revenue that would otherwise have been allocated to the city and county in the fiscal year in which subdivision (b) applies if subdivisions (a) and (c) did not apply in any fiscal year.
(B) The amount of that revenue that would otherwise have been allocated to the city and county in the fiscal year in which subdivision (b) applies if subdivision (b) did not apply in that fiscal year.
(10) “Adjusted cumulative public safety amount” means:
(A) With respect to a county, an amount of ad valorem property tax revenue equal to the total of the amounts determined, pursuant to paragraphs (7) and (8), for the county and all the cities in the county in the fiscal year in which subdivision (b) applies.
(B) With respect to a city and county, an amount of ad valorem property tax revenue equal to the total of the amount determined, pursuant to paragraph (9), for the city and county in the fiscal year in which subdivision (b) applies.
(e) This section may not be construed to do either of the following:
(1) Require the auditor to reduce or increase the amount of ad valorem property tax revenue required to be contributed by any city, county, city and county, or special district to an Educational Revenue Augmentation Fund.
(2) Require a public safety finance agency to contribute ad valorem property tax revenue to an Educational Revenue Augmentation Fund.