Cal. Gov't Code § 6588.6
(b) Notwithstanding any other law, local agencies may sell Proposition 1A receivables to the authority and enter into one or more sales agreements with an authority as, and on the terms, the local agency deems appropriate. The sales agreement may include covenants of, and binding on, the local agency as necessary to establish and maintain the security of bonds issued by the authority for the purpose of purchasing the Proposition 1A receivables and, if applicable, the exclusion from gross income of interest on the bonds for federal income tax purposes. Any transfer of some or all of a Proposition 1A receivable by a local agency to the authority under this article that the governing documents state is a sale shall be treated as an absolute sale and transfer of the property so transferred to the authority and not as a pledge or grant of a security interest by the local agency to secure a borrowing. The characterization of the transfer of any Proposition 1A receivable as an absolute sale by the local agency shall not be negated or adversely affected by any of the following:
(e)