(a) Every utility must permit a customer to designate a third party to receive copies of all notices regarding termination of service or other credit actions sent to such customer, provided that the designated third party agrees in writing to receive such notices.

(b) The utility must inform the third party that the agreement to receive notices does not mean the third party must pay for service provided to the customer.

(c) The utility must promptly notify the customer in writing of the third party's refusal or cancellation of the agreement to receive notices.