The Cooperative will require the Member to make and maintain a cash deposit as security for payment of bills for service. The amount of such deposit shall be determined by the Cooperative but shall not be less than $100 and up to an amount equal to 2.5 times the estimated maximum monthly bill. Such deposits will be refunded to the customer upon final discontinuance of service and after all indebtedness of the customer to the company has been paid. Interest, at the rate of 5% per annum, will be paid annually on the amount of any such deposit held for six months or more.
