RSA 91-A:3 Nonpublic Sessions.

I. (a) Public bodies shall not meet in nonpublic session, except for one of the purposes set out in paragraph II. No session at which evidence, information, or testimony in any form is received shall be closed to the public, except as provided in paragraph II. No public body may enter nonpublic session, except pursuant to a motion properly made and seconded.
(b) Any motion to enter nonpublic session shall state on its face the specific exemption under paragraph II which is relied upon as foundation for the nonpublic session. The vote on any such motion shall be by roll call, and shall require the affirmative vote of the majority of members present.
(c) All discussions held and decisions made during nonpublic session shall be confined to the matters set out in the motion.