Montana Code Annotated (MCA) and Opinions

This glossary is a source for Montana Code Annotated (MCA). MCA are the laws passed by the Montana Legislature.

Wherever you see MCA numbers cited you will be able to refer to the full text of the law.

MCA and Attorney General Opinions are listed numerically in this glossary.

When you see MCA numbers you can click on them to see the full text of the law.

This glossary also contains references to Attorney General opinions. For complete texts, please access the Montana Library Laws: Attorney General Opinions and Supreme Court Decisions document.

Browse the glossary using this index

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Montana Court Opinions

A brief is a written argument submitted by a party to an appeal that explains why that party should win. An opinion is a written statement that explains the reasons for the Court's decision in a case. Not all cases are decided by a written opinion, and not all opinions are published decisions of the Court that can be relied upon in other cases.

The State Law Library scans and posts all Montana Supreme Court opinions and the briefs that were submitted for those cases. This site provides copies of opinions and briefs dating back to the 1980s.