Montana Title 13. Elections § 13-10-327. Vacancy after primary and prior to general election

(1) Except as provided in 13-10-328 for a vacancy in the candidacy of either governor or lieutenant governor caused by the death of a candidate, if a party candidate dies or withdraws after the primary and before the general election, or if a candidate is disqualified pursuant to 13-37-126 from having the candidate's name appear on a general election ballot, the affected political party shall appoint someone to replace the candidate in one of the following ways:

(2) Except as provided in this section, appointments to fill vacancies must be made no later than 76 days before the election. A candidate may not officially withdraw 85 days or less before a general election. However, if a candidate for partisan office dies less than 85 days before the general election, the affected political party shall appoint a candidate within 5 days after being notified of the vacancy. One of the procedures provided in 13-12-204 must be used to place the name of the appointee on the ballot if necessary.

(3) The appointing committee shall send a certificate to the officer with whom a declaration for nomination for the office would be filed, with the information required on a declaration for nomination and the name of the candidate for whom the appointee is to be substituted. The appointee shall send a signed and acknowledged acceptance of the appointment and the filing fee for the office.

(4) The officer receiving the certificate of appointment, accompanied by a statement of acceptance and the filing fee, shall certify the name of the appointee for the ballot.