Mont. Code Ann. § 13-27-214
13-27-214 Submission and processing of statewide ballot issues
13-27-214 . Submission and processing of statewide ballot issues. (1) A proponent of a statutory initiative shall submit the text of the proposed initiative to the secretary of state in accordance with 13-27-216 .
(2) A proponent of a statutory referendum shall submit the text of the proposed referendum to the secretary of state in accordance with 13-27-217 .
(3) A proponent of a constitutional initiative shall submit the text of the proposed initiative to the secretary of state in accordance with 13-27-218 .
(4) A proponent of a constitutional convention initiative shall submit the text of the proposed initiative to the secretary of state in accordance with 13-27-219 .
(5) A constitutional referendum, a constitutional convention referendum, or a legislative referendum passed by the legislature must be processed in accordance with 13-27-220 .