Montana Title 19. Public Retirement Systems § 19-13-1007. Minimum benefit adjustment

(a) For the member or the member's surviving spouse or dependent children, the service retirement benefit provided in 19-13-704, the disability retirement benefit provided in 19-13-803, and the survivorship benefit provided in 19-13-902 may not be less than one-half the monthly compensation paid to a newly confirmed, active firefighter of the employer that last employed the member as a firefighter, as provided each year in the budget of that employer.

(b) If after a member retires, the employer that last employed the member no longer employs a full-paid firefighter, the member's or survivor's benefit under subsection (1)(a) must be adjusted on the basis of the average monthly compensation paid to all newly confirmed full-paid firefighters, as provided each year in the budgets of those employers that participate in the retirement system and employ a full-paid firefighter.

(a) if the member has earned 20 years or more of membership service, one-half the average monthly compensation paid to all newly confirmed, full-paid firefighters, as provided each year in the budgets of those employers that participate in the retirement system and employ a full-paid firefighter; or

(b) if the member has earned more than 5 but less than 20 years of membership service, 2.5% of the average monthly compensation paid to all newly confirmed, full-paid firefighters, as provided each year in the budgets of those employers that participate in the retirement system and employ a full-paid firefighter, for each year of the member's service.