Versions of Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased on LawServer 2023 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2022 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2021 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2019 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2018 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2016 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2014 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2013 Montana Code 20-9-313. Circumstances under which regular average number belonging may be increased 2009 Montana Code 20-9-313 – Circumstances under which regular average number belonging may be increased