House Rule H50-20. Quorum. (1) A quorum of the House is fifty-one representatives (Montana Constitution, Art. V, Sec. 10).
(2) Any representative may question the lack of a quorum at any time a vote is not being taken. The question is nondebatable, may not be amended, and is resolved by a roll call.
(3) The House may not conduct business without a quorum, except that representatives present may convene, compel the attendance of absent representatives, or adjourn.