The governing body of any governmental unit may, in addition to the other powers conferred, include provisions in any resolution authorizing the issuance of refunding bonds, which shall be a part of the contract with the holders of the refunding bonds, as to:
The establishment of an escrow account in accordance with the provisions of Section 31-27-15;
The appointment of a banking corporation or association within or without the state which is a member of the Federal Deposit Insurance Corporation, or any successor thereto, to act as trustee for the bondholders, and the authorization, execution and delivery of an agreement evidencing the contractual relationships among the governmental unit, the trustee and bondholders, which agreement may contain such terms, conditions and covenants as the governing body shall determine;
The appointment of a banking corporation or association within or without the state which is a member of the Federal Deposit Insurance Corporation, or any successor thereto, to hold in escrow any escrow account consistent with the provisions of Section 31-27-15, and the authorization, execution and delivery of an agreement relating to such escrow account evidencing the contractual relationships among the governmental unit, such banking corporation or association and related parties, which agreement may contain such terms, conditions and covenants as the governing body shall determine; and
The execution of all instruments necessary or convenient in the exercise of the powers granted by this chapter or in the performance of the duties of the governmental unit and the officers, agents and employees thereof.