N.M. Stat. § 45-3-105
Proceedings affecting devolution and administration.
Persons interested in decedents' estates may apply to the probate court for
determination in the informal proceedings provided in Sections 3-101 through 3-1204
[45-3-101 to 45-3-1204 NMSA 1978], and may petition the district court for orders in
formal proceedings within its jurisdiction.