No officer prosecuting or defending as provided in 25-10-405 shall be taxed with costs or damages, but such costs or damages, if any, shall be taxed to the state, county, or municipality, as the case may be.
Public Officers Not To Be Personally Taxed
Mont. Code Ann. § 25-10-701, under Payment of Costs by Governmental Entities.
Mont. Code Ann. § 25-10-701