New Mexico Statutes Chapter 74. Environmental Improvement § 74-12-7. Exemptions

(1) outdoor lighting fixtures on advertisement signs on interstates and federal primary highways;

(2) outdoor lighting fixtures existing and legally installed prior to the effective date of the Night Sky Protection Act; however, when existing lighting fixtures become unrepairable, their replacements are subject to all the provisions of the Night Sky Protection Act;

(3) navigational lighting systems at airports and other lighting necessary for aircraft safety; and

(4) outdoor lighting fixtures that are necessary for worker safety at farms, ranches, dairies, feedlots or industrial, mining or oil and gas facilities.