Try getting the Montana Dept. of Revenue and the fine folks at OnX together! Good luck with that. If you own property in the State of Montana I will strongly suggest that the only person you try to talk to in the State of Montana, Dept. of Revenue is Robin Rude. Her office is in Billings...
Blank has as many ranches as ex-wives. That said, smart guy, sticks to his guns business-wise. Why MONTANA legislature won't allow ranchers (who feed/provide winter habitat, fawning ground/predator control) to purchase and/or gift tags for bona fide wounded/ptsd/veterans remains unanswered...