N.M. Code R. § 17.11.16.12
A. Any carrier subject to the commission’s jurisdiction shall, in all oral or written contacts with customers:
(1) provide timely, courteous, and accurate information;
(2) explain services, and switching and discontinuance of service, accurately and unambiguously;
(3) not represent discretionary services as essential;
(4) not engage in any unfair or deceptive trade practice, including but not limited to the unfair or deceptive trade practices and unconscionable trade practices defined in NMSA 1978 Section 57-12-2;
(5) upon a customer-initiated inquiry about services, make a good-faith effort to identify the service that is the most economical for the customer, based on the customer’s representation of his or her telecommunications requirements.
[17.11.16.12 NMAC - Rp, 17.11.16.12 NMAC, 2-1-06]