(1) A political subdivision may not enact, administer, or otherwise require an employer to provide an employee or class of employees with a wage or employment benefit that is not required by state or federal law. (2) This part does not apply to a political subdivision affecting a wage or employment benefit for an employee or class of employees of that political subdivision.
Prohibitions -- Application
Mont. Code Ann. § 7-1-4203, under Political Subdivision Employer Mandate Prohibition Act.
Mont. Code Ann. § 7-1-4203