Versions of Montana Code 2-18-101. Definitions on LawServer 2023 Montana Code 2-18-101. Definitions 2022 Montana Code 2-18-101. Definitions 2021 Montana Code 2-18-101. Definitions 2018 Montana Code 2-18-101. Definitions 2016 Montana Code 2-18-101. Definitions 2014 Montana Code 2-18-101. Definitions 2013 Montana Code 2-18-101. Definitions 2009 Montana Code 2-18-101 – Definitions