Mont. Code § 13-36-208
Proceedings under this title must be advanced on the docket upon request of either party for speedy trial, but the court may postpone or continue the trial if necessary, and in case of a continuance or postponement, the court may impose costs in its discretion as a condition of the continuance or postponement. A petition may not be dismissed without the consent of the county attorney unless the petition is dismissed by the court. A person may not be excused from testifying or producing papers or documents on the ground that the person's testimony or the production of papers or documents will tend to incriminate the person. However, an admission, evidence, or paper made or advanced or produced by the person or any evidence that is the direct result of the evidence or information that the person may have given may not be offered or used against the person in any civil or criminal prosecution except in a prosecution for perjury committed in the testimony.
§ 13-36-208, MCA