Mont. Const. art. II, § 31
- Constitution
- Constitution of Montana
- Text as of
- October 2026
What does this section say?
Ex post facto, obligation of contracts, and irrevocable privileges. No ex post facto law nor any law impairing the obligation of contracts, or making any irrevocable grant of special privileges, franchises, or immunities, shall be passed by the legislature.
The text is copied from the official source: mca.legmt.gov. This is the stored text for research. It is not legal advice; check the official source before you rely on it.