N.M. Code R. § 18.21.3.11
C. Commercial symbols or trademarks: Business signs composed of nationally, regionally, or locally known commercial symbols or trademarks for service stations, restaurants, motels and campgrounds shall be used when applicable. The brand or trademark identification symbol used on the business sign shall be reproduced with the colors and general shape consistent with customary use. Any messages, trademarks, or brand symbols which interfere with, imitate, or resemble any official warning or regulatory traffic sign, signal or device are prohibited.
[9/30/98; 18.21.3.11 NMAC - Rn, 18 NMAC 21.3.11, 1/14/2005]