Cal. Gov. Code § 15819.13
An amount not to exceed the amount of unsold bonds which the board has by resolution authorized to be sold for the purposes of carrying out this chapter is hereby appropriated from the General Fund to the Director of Finance, who may direct that any portion of that amount shall be deposited into a special account in the Public Building Construction Fund, to be used for the construction of prison facilities to be financed pursuant to this chapter. Any amounts made available from the General Fund under this section to the board shall be repaid by the board to the General Fund from the proceeds received from the sale of bonds sold for the purpose of carrying out this chapter. These amounts shall be repaid to the General Fund with interest at the rate which the Treasurer certifies would have been earned on those amounts if invested in the Surplus Money Investment Fund.
Ca. Gov. Code § 15819.13