§ 715. Repayment of state appropriations. All appropriations made heretofore or hereafter by the state to the authority shall be treated as advances by the state to the authority, and shall be repaid to it without interest out of the first proceeds of bonds issued by the authority for the construction of the bridge. The comptroller is hereby authorized to receive from the authority amounts advanced by the state to the authority and to deposit the same in the state treasury to the credit of the capital construction fund so that the state shall be reimbursed for the full amount of any and all such advances.