CA Pub Util Code Section 131109

(a)

The bonds authorized by the voters concurrently with the approval of the retail transactions and use tax may be issued at any time by the agency imposing the tax and shall be payable solely from the proceeds of the tax. The bonds shall be referred to as “limited tax bonds.”

(b)

The pledge of the tax to the limited tax bonds authorized under this chapter shall have priority over the use of any of the tax for “pay-as-you-go” financing, except to the extent that that priority is expressly restricted in the resolution authorizing the issuance of the bonds.