Versions of Montana Code 20-7-120. Excused absences from curriculum requirements -- notice -- prohibited activities on LawServer 2023 Montana Code 20-7-120. Excused absences from curriculum requirements — notice — prohibited activities 2022 Montana Code 20-7-120. Excused absences from curriculum requirements — notice — prohibited activities 2021 Montana Code 20-7-120. Excused absences from curriculum requirements — notice — prohibited activities