Mont. Code Ann. § 7-16-4105

Subject to 15-10-420 and for the purpose of procuring, equipping, and maintaining public parks, swimming pools, skating rinks, playgrounds, civic centers, youth centers, museums, and combination of purposes and facilities, the council or commission in any city or town may levy, in addition to the levy for general municipal or administrative purposes, a tax on the taxable value of all taxable property in the city or town.