N.M. Code R. § 16.14.1.8
A valid license or permit must be displayed and must be visible to the public in each place of employment or business of the licensee. Licensees who do not have a permanent office must have a valid license/permit available for public inspections during business hours.
[16.14.1.8 NMAC - Rp, 16 NMAC 14.1.8, 8/1/2011]