MONTANA
SALES TAX - NONE
Montana issues a Vessel Title Through the Dept. of Justice
They issue a Permanent Registration Through Fish & Wildlife.
https://dojmt.gov/driving/vehicle-title-and-registration 406-444-3933 (Titles)
http://fwp.mt.gov/recreation/permits/boats.html (406) 444-2535 (Registrations)
Visiting Period – 90 Days
With valid out of state registration