N.M. Stat. § 58-1-15
Adverse claims to contents of safe deposit box.
A. An adverse claim to the contents of a safe deposit box, or to property held in
safekeeping, is not sufficient to require the lessor to deny access to its lessee unless:
(1)
the lessor is directed to do so by a court order issued in an action in which
the lessee is served with process and named as a party by a name which identifies him
with the name in which the safe deposit box is leased or the property held; or
(2)
the safe deposit box is leased or the property is held in the name of a
lessee with the addition of words indicating that the contents or property are held in a
fiduciary capacity, and the adverse claim is supported by an affidavit stating facts
disclosing that it is made by or on behalf of a beneficiary and that there is a reason to
believe that the fiduciary may misappropriate the trust property.
B. A claim is also adverse where one of several lessees claims, contrary to the
terms of the lease, an exclusive right of access, or where one or more persons claim a
right of access as agents or officers of a lessee to the exclusion of others as agents or
officers, or where it is claimed that a lessee is the same person as one using another
name.