Montana Title 2. Government Structure and Administration § 2-16-211. Oaths--form--before whom--when

(1) Members of the legislature and all officers, executive, ministerial, or judicial, must, before they enter upon the duties of their respective offices, take and subscribe the following oath or affirmation: “I do solemnly swear (or affirm) that I will support, protect, and defend the constitution of the United States and the constitution of the state of Montana, and that I will discharge the duties of my office with fidelity (so help me God).”

(2) No other oath, declaration, or test must be required as a qualification for any office or public trust.

(3) Except when otherwise provided, the oath may be taken before any officer authorized to administer oaths.