N.M. Stat. § 46-11-303
Intent to exercise; after-acquired power.
Unless the terms of the instrument exercising a power of appointment manifest a
contrary intent:
A. except as otherwise provided in Subsection B of this section, a blanket-exercise
clause extends to a power acquired by the powerholder after executing the instrument
containing the clause; and
B. if the powerholder is also the donor of the power, the clause does not extend to
the power unless there is no gift-in-default clause or the gift-in-default clause is
ineffective.