Montana Constitution Article VI § 3
Section 3. Qualifications. (1) No person shall be eligible to the office of governor, lieutenant governor, secretary of state, attorney general, superintendent of public instruction, or auditor unless he is 25 years of age or older at the time of his election. In addition, each shall be a citizen of the United States who has resided within the state two years next preceding his election.
(2) Any person with the foregoing qualifications is eligible to the office of attorney general if an attorney in good standing admitted to practice law in Montana who has engaged in the active practice thereof for at least five years before election.
(3) The superintendent of public instruction shall have such educational qualifications as are provided by law.