New Mexico Constitution Art. IV, § 35. Impeachment power and procedure

The sole power of impeachment shall be vested in the house of representatives, and a concurrence of a majority of all the members elected shall be necessary to the proper exercise thereof. All impeachments shall be tried by the senate. When sitting for that purpose the senators shall be under oath or affirmation to do justice according to the law and the evidence. When the governor or lieutenant governor is on trial, the chief justice of the supreme court shall preside. No person shall be convicted without the concurrence of two-thirds of the senators elected.