Mont. Code Ann. § 19-17-205

To encourage and aid fire companies to maintain supplemental insurance to provide benefits when members are injured or killed while performing duties as volunteer firefighters, the board shall authorize payment of $75 per year for each motorized mobile unit of firefighting equipment, not to exceed $150 per fire company per year. Payment must be a charge against the pension trust fund and must be paid to each fire company maintaining supplemental insurance or to the organization or agency maintaining supplemental insurance for a fire company.