Cal. Rev. & Tax. Code § 19611
(c) The Controller shall transfer, as needed, to the Tax Relief and Refund Account:
(1) From the unexpended balance of the annual Budget Act appropriation for Item 9100-101-001, Schedule 80-Renter’s Tax Relief, an amount determined by the Franchise Tax Board to be equivalent to the total amount of renters’ assistance credits and refunds allowed under Section 17053.5.