(1) During a member's participation in the DROP, state contributions under 19-9-702, employer contributions under 19-9-703, and member contributions under 19-9-710 must continue to be made to the retirement system. (2) For each DROP participant, the board shall calculate a monthly DROP accrual and the contribution to the participant's DROP account.
Retirement System Contributions -- Benefit Payments To Individual Drop Accounts -- Investment Returns
Mont. Code Ann. § 19-9-1205, under Deferred Retirement Option Plan (DROP).
Mont. Code Ann. § 19-9-1205