To establish and maintain a revolving account in a bank or savings and loan association, approved by the State Treasurer as a State depositary and having capital funds, represented by capital, surplus, and undivided profits, of at least 5 million dollars, for the purpose of making payments of annuities, benefits, and administrative expenses and payments to the State Agency provided in Section 7-170. All funds deposited in such account shall be placed in the name of the Fund and shall be withdrawn only by a check or draft upon the bank or savings and loan association signed by the president of the board or the executive director, as the board may direct. In case the president or executive director, whose signature appears upon any check or draft, after attaching his signature ceases to hold office before the delivery thereof to the payee, his signature nevertheless shall be valid and sufficient for all purposes with the same effect as if he had remained in office until delivery thereof. The revolving account shall be created by resolution of the board. The monies in the revolving account shall be held and expenditures shall be made by the Fund for the purposes herein set forth. The Fund shall reimburse the revolving account for expenditures for such purposes.
     No bank or savings and loan association shall receive investment funds as permitted by this Section, unless it has complied with the requirements established pursuant to Section 6 of the Public Funds Investment Act, as now or hereafter amended. The limitations set forth in such Section 6 shall be applicable only at the time of investment and shall not require the liquidation of any investment at any time.