Versions of Montana Code 2-4-309. Rulemaking authority for laws not yet effective -- rule not effective until law effective on LawServer 2023 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2022 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2021 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2019 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2018 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2016 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2014 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2013 Montana Code 2-4-309. Rulemaking authority for laws not yet effective — rule not effective until law effective 2009 Montana Code 2-4-309 – Rulemaking authority for laws not yet effective — rule not effective until law effective