Rulemaking Authority For Laws Not Yet Effective -- Rule Not Effective Until Law Effective

Mont. Code Ann. § 2-4-309, under Adoption and Publication of Rules.

Mont. Code Ann. § 2-4-309

Unless otherwise provided in the statute, an agency may proceed with rulemaking under this chapter after the enactment of a statute to be implemented by rule, but a rule may not become effective prior to the effective date of the statute.