Montana Constitution Art. V, § 10. Organization and procedure

(1) Each house shall judge the election and qualifications of its members. It may by law vest in the courts the power to try and determine contested elections. Each house shall choose its officers from among its members, keep a journal, and make rules for its proceedings. Each house may expel or punish a member for good cause shown with the concurrence of two-thirds of all its members.

(2) A majority of each house constitutes a quorum. A smaller number may adjourn from day to day and compel attendance of absent members.

(3) The sessions of the legislature and of the committee of the whole, all committee meetings, and all hearings shall be open to the public.

(4) The legislature may establish a legislative council and other interim committees. The legislature shall establish a legislative post-audit committee which shall supervise post-auditing duties provided by law.

(5) Neither house shall, without the consent of the other, adjourn or recess for more than three days or to any place other than that in which the two houses are sitting.