Cal. RTC § 7286.25

(a) The City Council of Avalon may levy a transactions and use tax at a rate of 0.5 percent, if the ordinance or resolution proposing that tax is approved by a majority vote of all members of the city council and the tax is approved by a two-thirds vote of the qualified voters of the city voting in an election on the issue pursuant to Section 53722 of the Government Code. The transactions and use tax shall conform to Part 1.6 (commencing with Section 7251).

(b) The transactions and use tax imposed pursuant to this chapter shall be deemed a special tax pursuant to Article 3.7 (commencing with Section 53720) of Chapter 4 of Division 2 of Title 5 of the Government Code.

(c) Notwithstanding any provision of this section or any other provision of law, no tax authorized under this section shall be submitted to the voters unless and until every tax that currently is imposed by the city that is seeking authority to impose a new tax pursuant to this section and that was not approved by the voters in a manner consistent with the holding of the California Supreme Court in the case of Santa Clara County Local Transportation Authority v. Guardino (1995), 11 Cal. 4th 220, and in accordance with the requirements of Article 3.7 (commencing with Section 53720) of Chapter 4 of Part 1 of Division 2 of Title 5 of the Government Code, has been placed before the voters for continued approval or rescission.