Mont. Code Ann. § 25-7-405

After the jury has retired for deliberation, if there be a disagreement among the jurors as to any part of the testimony or if they desire to be informed of any point of law arising in the cause, they may require the officer to conduct them into court. Upon their being brought into court, the information required must be given in the presence of or after notice to the parties or counsel. Such information must be given in writing or taken down by the stenographer.