Versions of Montana Code 20-20-101. Repealed on LawServer 2023 Montana Code 20-20-101. Repealed 2022 Montana Code 20-20-101. Repealed 2019 Montana Code 20-20-101. Repealed 2014 Montana Code 20-20-101. Definition 2013 Montana Code 20-20-101. Definition 2009 Montana Code 20-20-101 – Definition