(a) There is in the State Treasury the Mental Health Services Fund (MHS Fund). The estimated revenue from the additional tax imposed under Section 17043 for the applicable fiscal year, as determined under subparagraph (B) of paragraph (3) of subdivision (c), shall be deposited to the MHS Fund on a monthly basis, subject to an annual adjustment as described in this section.

(b) (1) Beginning with fiscal year 2004-2005 and for each fiscal year thereafter, the Controller shall deposit on a monthly basis in the MHS Fund an amount equal to the applicable percentage of net personal income tax receipts as defined in paragraph (4).

(2) (A) Except as provided in subparagraph (B), the applicable percentage referred to in paragraph (1) shall be 1.76 percent.

(B) For fiscal year 2004-2005, the applicable percentage shall be 0.70 percent.

(3) Beginning with fiscal year 2006-2007, monthly deposits to the MHS Fund pursuant to this subdivision are subject to suspension pursuant to subdivision (f).

(4) For purposes of this subdivision, “net personal income tax receipts” refers to amounts received by the Franchise Tax Board and the Employment Development Department under the Personal Income Tax Law, as reported by the Franchise Tax Board to the Department of Finance pursuant to law, regulation, procedure, and practice (commonly referred to as the “102 Report”) in effect on the effective date of the act establishing this section.

(c) No later than March 1, 2006, and each March 1 thereafter, the Department of Finance, in consultation with the Franchise Tax Board, shall determine the annual adjustment amount for the following fiscal year.

(1) The “annual adjustment amount” for any fiscal year shall be an amount equal to the amount determined by subtracting the “revenue adjustment amount” for the applicable revenue adjustment fiscal year, as determined by the Franchise Tax Board under paragraph (3), from the “tax liability adjustment amount” for applicable tax liability adjustment tax year, as determined by the Franchise Tax Board under paragraph (2).

(2) (A) (i) The “tax liability adjustment amount” for a tax year is equal to the amount determined by subtracting the estimated tax liability increase from the additional tax imposed under Section 17043 for the applicable year under subparagraph (B) from the amount of the actual tax liability increase from the additional tax imposed under Section 17043 for the applicable tax year, based on the returns filed for that tax year.

(ii) For purposes of the determinations required under this paragraph, actual tax liability increase from the additional tax means the increase in tax liability resulting from the tax of 1 percent imposed under Section 17043, as reflected on the original returns filed by October 15 of the year after the close of the applicable tax year.

(iii) The applicable tax year referred to in this paragraph means the 12-calendar month taxable year beginning on January 1 of the year that is two years before the beginning of the fiscal year for which an annual adjustment amount is calculated.

(B) (i) The estimated tax liability increase from the additional tax for the following tax years is:

(ii) The “estimated tax liability increase from the additional tax” for the tax year beginning in 2009 and each tax year thereafter shall be determined by applying an annual growth rate of 7 percent to the “estimated tax liability increase from additional tax” of the immediately preceding tax year.

(3) (A) The “revenue adjustment amount” is equal to the amount determined by subtracting the “estimated revenue from the additional tax” for the applicable fiscal year, as determined under subparagraph (B), from the actual amount transferred for the applicable fiscal year.

(B) (i) The “estimated revenue from the additional tax” for the following applicable fiscal years is:

(ii) The “estimated revenue from the additional tax” for applicable fiscal year 2007-08 and each applicable fiscal year thereafter shall be determined by applying an annual growth rate of 7 percent to the “estimated revenue from the additional tax” of the immediately preceding applicable fiscal year.

(iii) The applicable fiscal year referred to in this paragraph means the fiscal year that is two years before the fiscal year for which an annual adjustment amount is calculated.

(d) The Department of Finance shall notify the Legislature and the Controller of the results of the determinations required under subdivision (c) no later than 10 business days after the determinations are final.

(e) If the annual adjustment amount for a fiscal year is a positive number, the Controller shall transfer that amount from the General Fund to the MHS Fund on July 1 of that fiscal year.

(f) If the annual adjustment amount for a fiscal year is a negative number, the Controller shall suspend monthly transfers to the MHS Fund for that fiscal year, as otherwise required by paragraph (1) of subdivision (b), until the total amount of suspended deposits for that fiscal year equals the amount of the negative annual adjustment amount for that fiscal year.

(Added November 2, 2004, by initiative Proposition 63, Sec. 14. Operative January 1, 2005, pursuant to Sec. 16 of Prop. 63. Note: Prop. 63 is titled the Mental Health Services Act.)