N.M. Stat. Ann. § 10-11-122
B. A public employer who is not an affiliated public employer on the effective date of the Public Employees Retirement Act may become an affiliated public employer by resolution or ordinance adopted by its governing body. Affiliation shall be effective the first day of the month following completion of each of the following requirements:
C. An affiliated public employer may adopt a coverage plan by resolution or ordinance of its governing body, unless a procedure for adopting the change is otherwise provided in the Public Employees Retirement Act. The change shall be effective the first day of the month following completion of each of the following requirements:
D. A public employer created by one of the methods specified in this subsection shall be an affiliated public employer with the coverage plan that provides the highest pension applicable to any of the groups of members brought under its employment.
(1) This subsection applies to a public employer created:
(2) The public employer shall be an affiliated public employer on the first day of the month following the later of:
History: Laws 1987, ch. 253, § 122; 2005, ch. 333, § 3.
The 2005 amendment, effective June 17, 2005, added Subsection D to provide for the affiliation of new public employers.