Versions of See prior versions of a law on LawServer 2023 Montana Code 39-71-1401. Presumptive occupational disease for firefighters — rebuttal — applicability — definitions 2022 Montana Code 39-71-1401. Presumptive occupational disease for firefighters — rebuttal — applicability — definitions 2021 Montana Code 39-71-1401. Presumptive occupational disease for firefighters — rebuttal — applicability — definitions 2019 Montana Code 39-71-1401. Presumptive occupational disease for firefighters — rebuttal — applicability — definitions