Mont. Code § 13-27-407
The secretary of state shall provide copies of the arguments advocating approval or rejection of a statewide ballot issue to the members of the adversary committee no later than 1 day following the filing of both the approval and rejection arguments for the issue. The committees may prepare rebuttal arguments no longer than one-half the size of the arguments under 13-27-406 that must be filed, in a black-and-white, camera-ready format, with the secretary of state no later than 10 days after the deadline for filing the original arguments. The argument must consist solely of written material prepared by the committee and may not consist of pictures, clippings, or other material. The written material must be prepared in the font and type style required by the secretary of state. With the goal of achieving readability and uniformity, the secretary of state shall prescribe a commonly used font and type style. Discussion in the rebuttal argument must be confined to the subject matter raised in the argument being rebutted. The rebuttal argument must be approved and signed by a majority of the committee responsible for its preparation. Separate signed letters of approval may be submitted in the same manner as for the original arguments.
§ 13-27-407, MCA
Applicability - Laws 2023, c. 647: Section 62 of Laws 2023, Ch. 647 provides:
"(1) [This act] applies to statewide ballot issues submitted to the secretary of state on or after [the effective date of this act].
"(2) [This act] applies to ballot issues submitted to the county election administrator for approval of the form of the petition required by 7-5-132 on or after [the effective date of this act].
"(3) [This act] applies to a petition prepared pursuant to 7-7-2224 that is filed with the election administrator under 7-7-2225 on or after [the effective date of this act]."