Cal. Health & Saf. Code § 4892.1
On or before the first day of July the governing body of any city, the area of which, in whole or in part, is included within one or more sewer maintenance districts, may elect to pay out of municipal funds, in lieu of providing sewer maintenance service to such territory, the whole of the amount of taxes which will be levied for district purposes for the fiscal year commencing upon said first day of July upon property located within such city.
The election shall be made by the adoption of an order reciting that the city, pursuant to this section, elects to pay the whole of the amount of taxes which will be levied by said district or districts upon property located within the incorporated limits of the city and stating the time and manner in which payment shall be made.
Upon the adoption of the order a certified copy of the same shall be presented to the governing body of the district or districts for approval. If the governing body of the district or districts is satisfied that the financial condition of the city reasonably will assure such payment and if the time and manner of payment is acceptable, the governing body of the district or districts shall by order approve the city's election to pay taxes. Immediately upon the adoption of the order approving the city's election to pay the taxes, certified copies of each order shall be filed with the county auditor, county assessor and county tax collector.
Thereafter, if the whole of the taxes which are levied on property within the city is to be paid by the city, the county auditor shall not extend the district tax on such property.
If the payment made by any city shall exceed the amount of district taxes which have been levied against property within the city, the amount of such excess without interest shall be refunded to the city prior to the close of the fiscal year for which the payment was made.
Any election to pay taxes pursuant to this section shall be effective only for the fiscal year for which made.
Ca. Health and Saf. Code § 4892.1