Cal. Gov. Code § 15445
All moneys received pursuant to this part, whether as proceeds from selling or incurring revenue bonds or as revenues, shall be deemed to be trust funds to be held and applied solely as provided in this part. Until the funds are applied as provided in this part, and notwithstanding any other provision of law, the moneys may be invested in any obligations or securities authorized by resolutions of the authority authorizing the issuance of the bonds. Any officer with whom, or any bank or trust company with which, the moneys are deposited shall act as trustee of the moneys and shall hold and apply the moneys for the purposes hereof, subject to any regulations adopted pursuant to this part and the resolution authorizing the issuance of the bonds or the indenture or trust agreement securing the bonds.
Ca. Gov. Code § 15445