Montana constitution
Article IV: suffrage and elections

Section 1 - All elections by the people shall be by secret ballot.

Section 2 - Any citizen of the United States 18 years of age...

Section 3 - The legislature shall provide by law the requirements for residence,...

Section 4 - Any qualified elector is eligible to any public office except...

Section 5 - In all elections held by the people, the person or...

Section 6 - A qualified elector is privileged from arrest at polling places...

Section 7 - (3) If the election on an initiative or referendum properly...

Section 8 - (3) Nothing contained herein shall preclude an otherwise qualified candidate...