Montana Title 3. Judiciary, Courts § 3-1-610. Restrictions on judicial officers presiding over matters in which they have previously asserted position

(a) the judicial officer has appeared before the Montana legislature or otherwise contacted a legislator or another governmental entity in support or opposition of a bill involving the same legislation if it is at issue in a case in which the judicial officer presides;

(b) the judicial officer has served on a committee or group designed to evaluate legislation when the committee or group expressed support or opposition on a bill during the judicial officer's service on the committee or other group and a case involving the same legislation is pending before the judicial officer; or

(c) the judicial officer has publicly supported or opposed an issue or bill at the request of the Montana judges association or another entity and a case involving the legislation is pending before the judicial officer.