Any judicial record may be impeached by evidence of a want of jurisdiction in the court or judicial officer, of collusion between the parties, or of fraud in the party offering the record in respect to the proceedings.
Mont. Code Ann. § 26-3-105
Impeachment of a judicial record
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.