For the purpose of carrying out the provisions of this title, the Director of Finance may by executive order authorize the withdrawal from the General Fund of an amount or amounts not to exceed the amount of the unsold bonds which the committee has by resolution authorized to be sold for the purpose of carrying out this title. Any amounts withdrawn shall be deposited in the fund and shall be disbursed by the committee in accordance with this title. Any moneys made available to the committee pursuant to this section shall be returned by the committee to the General Fund, together with interest at the rate then payable on funds deposited in the Pooled Money Investment Fund, from moneys received from the sale of bonds pursuant to the provisions of this title.