Cal. Pub. Util. Code § 99694

For the purposes of carrying out this part, the Director of Finance may authorize the withdrawal from the General Fund of an amount or amounts not to exceed the amount of unsold bonds which have been authorized by the committee to be sold for the purpose of carrying out those provisions. Any amounts withdrawn shall be deposited in the fund. Any money made available under this section shall be returned to the General Fund from money received from the sale of bonds which would otherwise be deposited in the fund.