The monies of the Commission, except monies appropriated by the Legislature, shall be disbursed only by checks, drafts, orders or other instruments signed by such persons as shall be authorized to sign the same by the bylaws or by appropriate resolution. The general manager, if any, and all other officers, agents and employees of the Commission who shall be charged with the collection, custody, or payment of any funds of the Commission shall give bond conditioned on the faithful performance of their duties and an accounting for all funds and properties of the Commission coming into their respective hands. Each bond, or if a blanket bond shall be prescribed, shall be in a form, amount, and with a surety approved by the Commission, and the premiums on the bonds shall be paid by the Commission and charged as an operating expense.