Cal. Revenue and Taxation Code § 11163

An ordinance imposing a voter-approved local assessment pursuant to this part shall contain provisions in substance as follows: (a) A provision that the assessment is imposed for the privilege of a resident of the city and county to operate upon the public highways in the city and county a vehicle or trailer coach, the registrant of which is subject to tax under Part 5 (commencing with Section 10701). (b) (1) A provision establishing the annual amount of the assessment at a rate that equals the difference between the following two rates: (A) Two percent of the market value of the vehicle or trailer coach. (B) The rate, including any offset to that rate, set forth in Part 5 (commencing with Section 10701), for a vehicle or trailer coach. (2) A provision that the rate established under the provision described in paragraph (1) is subject to both of the following: (A) That the rate may not exceed 2 percent of the market value of the vehicle or trailer coach. (B) That any adjustment that is required to be made to the rate because of a change in the rate, or any offset to that rate, set forth in Part 5 (commencing with Section 10701), shall not take effect until the first day of the first fiscal year that follows the fiscal year in which the change to the rate or offset set forth in that part became operative. (c) A provision that the assessment will begin to be imposed as follows: (1) If the election in which the ordinance receives voter approval occurs between January 1 and June 30, on the first January 1 that follows that election. (2) If the election in which the ordinance receives voter approval occurs between July 1 and December 31, on the first July 1 that follows that election. (d) Provisions identical to those contained in Part 5 (commencing with Section 10701), insofar as they relate to vehicle license fees and are applicable, and insofar as they are consistent with this part, except that the name of the city and county as the taxing agency shall be substituted for that of the state. (e) A provision that all amendments, subsequent to the effective date of the voter-approved local assessment ordinance, to Part 5 (commencing with Section 10701) relating to vehicle license fees and not inconsistent with this part, shall automatically be incorporated into the voter-approved local assessment ordinance. (f) A provision that requires the city and county to contract with the department, which contract shall contain provisions in substance as follows: (1) A requirement that the department perform all functions incident to the administration and collection of the voter-approved local assessment. (2) A provision specifying the manner in which refunds pursuant to Part 5 (commencing with Section 10701), as incorporated in the voter-approved local assessment ordinance pursuant to subdivisions (c) and (d), will be made and administered. (3) A provision that requires the city and county to pay the department for the initial setup and programming costs identified by the department. (4) A provision specifying the manner in which reimbursements to the state shall be made in compliance with subdivision (b) of Section 11167 after the inoperation or repeal of a voter-approved local assessment.