Any Retirement Savings Bonds issued under the General Obligation Bond Act, as now or hereafter amended, in accordance with this Act shall be direct, general obligations of the State of Illinois and subject to repayment as provided in the General Obligation Bond Act, as now or hereafter amended; however in the proceedings of the Governor and the Director of the Governor’s Office of Management and Budget authorizing the issuance of Retirement Savings Bonds, such officials may covenant on behalf of the State with or for the benefit of the holders of such Bonds as to all matters deemed advisable by such officials, including the terms and conditions for creating and maintaining sinking funds, reserve funds and such other special funds as may be created in such proceedings, separate and apart from all other funds and accounts of the State, and such officials may make such other covenants as may be deemed necessary or desirable to assure the prompt payment of the principal of and interest on such Bonds. The transfers to and appropriations from the General Obligation Bond Retirement and Interest Fund required by the General Obligation Bond Act, as now or hereafter amended, shall be made to and from any fund or funds created pursuant to this Section for the payment of the principal of and interest on any Retirement Savings Bonds.