Montana Title 5. Legislative Branch § 5-2-103. Time and place of meeting

Each regular session of the legislature shall be convened at the seat of government at 12 noon on the first Monday of January of each odd-numbered year or, if January 1 is a Monday, on the first Wednesday. The legislature shall meet at other times when convened by the governor or by the written request of a majority of the legislators or, when the legislature is in session, by a recorded vote of a majority of the legislators.