If, after a member dies, a benefit is not paid pursuant to 19-13-704, 19-13-803, or 19-13-902, then the board shall pay to the member's designated beneficiary the amount, if any, of the retired member's accumulated contributions minus the total of any benefits already paid from the member's account.
Payments To Designated Beneficiary
Mont. Code Ann. § 19-13-903, under Survivorship Benefits and Death Payments.
Mont. Code Ann. § 19-13-903