23 CAR § 455-512. Method of payment

(a)(1) Customers may pay bills in any reasonable manner, including cash or a check payable to the utility. (2) A utility may refuse to accept payment by check if the customer has given the utility two (2) checks that were returned unpaid for reasons other than bank error in the last twelve (12) months. (b) A utility may refuse to take a second check for the same bill if the first check was returned unpaid for reasons other than bank error.