If you have a burglary alarm system or a monitored fire alarm system, and are located inside the city limits, you are required to obtain an alarm permit.
Not sure if you are in the city limits or not? Click on the City of Missoula Public Utility Map. In the search bar in the upper right hand corner, input your address and click on the magnifying glass. Click on your address on the map. Go to the Info tab in the left navigation bar and it will tell you if you are within city limits.