N.M. Stat. § 74-2-3
Environmental improvement board.
A. In taking any action under the Air Quality Control Act, a majority of the
environmental improvement board constitutes a quorum, but any action, order or
decision of the environmental improvement board requires the concurrence of three
members present at a meeting.
B. Except as provided in the Air Quality Control Act, the jurisdiction of the
environmental improvement board extends to all areas of the state except within the
boundaries of a local authority.