Versions of See prior versions of a law on LawServer 2023 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2022 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2021 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2019 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2018 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2016 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2014 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2013 Montana Code 33-23-301. Cancellation or increase of premium rates by reason of unfounded claims prohibited 2009 Montana Code 33-23-301 – Cancellation or increase of premium rates by reason of unfounded claims prohibited