23 CAR § 466-510. Method of payment

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