N.M. Stat. § 45-3-616
Special administrator; appointed informally; powers and
duties.
A special administrator appointed by the probate court in informal proceedings
pursuant to Subsection A of Section 3-614 [45-3-614 NMSA 1978] has the duty to
collect and manage the assets of the estate, to preserve them, to account for and to
deliver such assets to the general personal representative upon his qualification. The
special administrator appointed in informal proceedings has the power of a personal
representative under the [Uniform] Probate Code necessary to perform his duties.