Cal. Sts. & High. Code § 2103
(a) Notwithstanding Section 13340 of the Government Code, of the net revenues deposited to the credit of the Highway Users Tax Account that are derived from the increases in the rates of taxes that are imposed pursuant to subdivision (b) of Section 7360 and Section 7361.1 of the Revenue and Taxation Code, all of the following shall occur on a monthly basis:
(1)
(2)
(3) The Controller shall transfer any remaining net revenues subject to this subdivision as follows:
(C) Forty-four percent shall be apportioned by the Controller for local street and road purposes, except in the 2010–11 fiscal year, 50 percent shall be transferred for purposes of this subparagraph as follows:
(ii) Fifty percent shall be apportioned by the Controller to counties, including a city and county, in accordance with the following formulas: