Mont. Code Ann. § 16-11-123
Display of license
16-11-123 . Display of license. (1) Each license shall be prominently displayed on the licensed premises, and a separate license shall be displayed at each place of business owned, controlled, or operated by such wholesaler, subjobber, retailer, or cigarette vendor.
(2) Each cigarette vendor shall affix a license decal furnished by the department in a prominent position on each vending machine.