Mont. Code Ann. § 85-7-2049

If a board of commissioners hearing on proceedings on a special tax or assessment for the repayment of bonds is not held at the scheduled place and time, is adjourned, or is rescheduled, the board has not lost its power or jurisdiction to levy special taxes or assessments to repay the bonds. The board may fix a time and a place for a new or additional hearing. The board shall provide notice of the hearing by publication in a daily, semiweekly, or weekly newspaper at least 5 days before the date of the new hearing.