A person elected or appointed to fill a vacancy, after filing the official oath and bond, possesses all the rights and powers and is subject to all the liabilities, duties, and obligations as if the person had been elected to the office for a full term.
Powers And Duties Of Officer Filling Unexpired Term
Mont. Code Ann. § 2-16-507, under Vacancy and Succession.
Mont. Code Ann. § 2-16-507