Whenever the question of issuing bonds for any purpose is submitted to the registered electors of a city or town, the determination of the approval or rejection of the bond proposition is made by a majority of the votes cast on the issue.
Percentage Of Electors Required To Authorize Issuing Of Bonds
Mont. Code Ann. § 7-7-4235, under Municipal General Obligation Bonds.
Mont. Code Ann. § 7-7-4235