California Code, Revenue and Taxation Code - RTC § 7285.9

The governing body of any city may levy, increase, or extend a transactions and use tax for general purposes at a rate of 0.125 percent or a multiple thereof, if the ordinance proposing that tax is approved by a two-thirds vote of all members of that governing body and the tax is approved by a majority vote of the qualified voters of the city voting in an election on the issue. The governing body may levy, increase, or extend more than one transaction and use tax under this section, if the adoption of each tax is in the manner prescribed in this section. The transactions and use tax shall conform to Part 1.6 (commencing with Section 7251).