Montana Title 19. Public Retirement Systems § 19-5-503. Involuntary retirement benefit

(1) If a member is involuntarily discontinued from service after having completed 5 years of membership service but before reaching normal retirement age, the member must, upon filing with the board an application in the manner prescribed by the board, be paid an involuntary retirement benefit of equivalent actuarial value to the service retirement benefit payable under 19-5-502 then standing to the member's credit.

(2) If a member elected or appointed to office after July 1, 1983, is discontinued from service after having earned at least 12 years of service credit but before reaching normal retirement age, the member may apply for and receive a retirement benefit that is the actuarial equivalent of benefits pursuant to subsection (1).