The defendant cannot be convicted on impeachment without the concurrence of two-thirds of the members elected, voting by ayes and noes. If two-thirds of the members elected do not concur in a conviction, the defendant must be acquitted.
Mont. Code Ann. § 5-5-421
Two-thirds vote necessary to conviction
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.