Mont. Code Ann. § 13-27-246
13-27-246 Transmission of statewide referendum referred by legislature
13-27-246 . Transmission of statewide referendum referred by legislature. The secretary of state shall transmit to the attorney general a copy of a statewide referendum referred to a vote of the people by the legislature no later than 6 months before the election at which the issue will be voted on by the people.