A witness served with a subpoena shall attend at the time appointed, with any papers under the witness's control required by the subpoena, and answer all pertinent and legal questions and, unless sooner discharged, shall remain until the testimony is closed.
Mont. Code Ann. § 26-2-301
Witness required to attend when subpoenaed
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.