Montana is unique among the 50 states in that it does not adopt the predominant theory of at-will employment. Rather, Montana has a comprehensive Wrongful Discharge from Employment Act (MT Stat. Sec. 39-2-901et seq.), which requires a good-cause basis for terminating all but probationary employees.
“Good cause” is defined as reasonable job-related grounds for dismissal based on a failure to satisfactorily perform job duties, disruption of the employer's operation, or other legitimate business reasons.
The Wrongful Discharge from Employment Act makes it illegal to fire a person if:
• The discharge was in retaliation for the employee's refusal to violate public policy or for reporting a violation of public policy;
• The discharge was not for good cause and the employee had completed the employer's probationary period of employment; or
• The ...