Mont. Code Ann. tit. 25, ch. 24, Rule 15
Office hours
Rule 15 . Office hours.
(a) On judicial days, regular office hours shall be designated by the court for the transaction of business. Notice of the hours shall be posted in the court's office.
(b) The court shall establish a regular time for initial appearances and arraignments on traffic and criminal actions. Notice of the time set shall be posted in the court's office.