That only is deemed to have been adjudged in a former judgment which appears upon its face to have been so adjudged or which was actually and necessarily included therein or necessary thereto.
Mont. Code Ann. § 26-3-102
What considered adjudged in a judgment
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.