N.M. Stat. § 45-3-310
Informal appointment proceedings; notice requirements.
The applicant must give notice as described by Section 1-401 [45-1-401 NMSA
1978] of his intention to seek an appointment informally to any person demanding it
pursuant to Section 3-204 [45-3-204 NMSA 1978]. No other notice of an informal
appointment proceeding is required, except that the personal representative shall give
notice pursuant to the provisions of Section 3-705 [45-3-705 NMSA 1978].