N.M. Stat. § 56-8-21
Usury; corporations and limited partnerships.
A. No corporation shall plead, enforce a remedy, counterclaim, set off or set up the
defense of usury to any action brought against it to recover damages or shall enforce a
remedy for usury on any obligation executed by the corporation.
B. No limited partnership, limited partner or general partner of a limited partnership,
shall plead or set up the defense of usury in any action brought against it or him on a
limited partnership obligation. No limited partnership, limited partner or general partner
of a limited partnership shall enforce a remedy for usury on any limited partnership
obligation.
C. This section shall apply to a transaction in which a corporation or a limited
partnership is debtor regardless of the purpose for which the corporation or limited
partnership was formed.