New Mexico Administrative Code
Title 12 - TRADE, COMMERCE AND BANKING
Chapter 2 - CONSUMER PROTECTION
Part 7 - COMPARATIVE PRICE ADVERTISEMENTS AND SAVINGS CLAIMS FOR THE NATIVE AMERICAN JEWELRY AND ARTS AND CRAFTS RETAIL INDUSTRY
Section 12.2.7.17 - EVIDENCE OF ADVERTISED VALUE OR BARGAIN REQUIRED

Any seller who makes a comparison price advertisement or other savings claim must retain any and all documents evidencing the basis for the comparison or other savings claim for a period of at least two years after the last date on which the advertisement was made. It is an unfair or deceptive practice for any seller who advertises using a reference or comparison price, or other savings claim, to fail to retain any and all documents evidencing the basis for the comparison claim or other savings claim for a period of not less than two years after the last date on which the claim is made.