CA Gov't Code Section 16757

(a)

The proceeds of each sale of bonds, and the amount that may have been paid as accrued interest on the bonds, shall be forthwith paid over by the Treasurer into the fund.

(b)

All money deposited in the fund pursuant to this section that is derived from premium and accrued interest on bonds sold shall be reserved in the fund and shall be available for transfer to the General Fund as provided in the bond act, except that amounts derived from premium on the bonds may be used to pay costs of issuance of the bonds, as provided in Section 16724.5, and in subdivisions (d) and (e) of Section 16727, prior to transfer to the General Fund.