New Mexico Statutes 66-6-25. Registration by county or municipality prohibited
A. No county or municipality shall require registration or charge fees for any vehicle subject to registration under the Motor Vehicle Code [66-1-1 N.M. Stat. Ann.].
B. Notwithstanding the provisions of Subsection A of this section, a county or municipality designated as an agent pursuant to Section 66-2-14.1 N.M. Stat. Ann. may impose a fee in an amount not to exceed five dollars ($5.00) per year in addition to any other registration fee required. This fee shall not be imposed if the county or
municipality has imposed a gasoline tax pursuant to the County and Municipal Gasoline Tax Act [N.M. Stat. Ann. Chapter 7, Article 24A], the proceeds of which are used to fund a vehicle emission inspection program. Any money collected as a result of the imposition of an additional fee pursuant to this subsection shall be used only to fund a vehicle emission inspection program.