N.M. Stat. § 53-4-23
Eligibility and admission to membership.
Any natural person, association, incorporated or unincorporated group organized on
a cooperative basis, or any nonprofit group shall be eligible for membership in an
association if it has met any qualifications for eligibility stated in the articles or by-laws
[bylaws], and shall be deemed a member upon payment in full for the minimum amount
of share or membership capital stated in the articles as necessary to qualify for
membership.