Versions of Montana Code 33-2-2406. Pharmacy benefit manager transparency to carriers and plan sponsors on LawServer 2023 Montana Code 33-2-2406. Pharmacy benefit manager transparency to carriers and plan sponsors 2022 Montana Code 33-2-2406. Pharmacy benefit manager transparency to carriers and plan sponsors 2021 Montana Code 33-2-2406. Pharmacy benefit manager transparency to carriers and plan sponsors