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Montana Bill of Sale Requirements

Additional Forms Required in Montana

• Application for Certificate of Title for a Motor Vehicle (Form MV1)

Montana is one of the genuinely tax-free states for buying a vehicle: there is no general state sales tax on the purchase, so no sales tax is added to the price you agree on. What replaces it is a registration-fee structure based on the vehicle's age rather than its value, which means an older vehicle costs strikingly little to put on the road. Montana even offers permanent registration for light vehicles 11 years and older — a one-time fee instead of annual renewals, which is unusual enough that it is worth asking the county treasurer about when you title.

The state publishes its own bill of sale, Form MV24, but an ordinary sale does not need one: the buyer applies with the properly assigned title and Form MV1, the title application, at the county treasurer's office rather than a central DMV counter — Montana, like several of its Plains neighbors, runs vehicle transactions through county government. The MV24 matters mainly in some lost-title and bonded-title cases. Notarization is not part of an ordinary sale either: HB 165 removed the notary requirement for title signatures effective October 1, 2025, so a normal transfer with the title in hand needs nothing more than both parties' signatures.

The deadline is 40 calendar days from the purchase date under MCA 61-3-317, with a $10 late fee past it. One detail catches buyers out: during that window the vehicle may not legally be driven on Montana roads unless you have a temporary registration permit displayed. The 40-day grace period is for completing the paperwork, not for driving around untitled. A separate 60-day rule exists but applies only to people newly establishing Montana residency, not to in-state private sales.

Inspections are essentially absent. Montana has no statewide safety inspection and no emissions testing anywhere, and a VIN inspection is required only when titling a vehicle brought in from another state. For an in-state private sale, there is nothing to schedule.

One caveat worth stating plainly, because Montana's tax status attracts attention: the state's combination of no sales tax and permanent registration made it a well-known destination for LLC-based registration of expensive vehicles. If you live elsewhere, your home state generally still expects use tax where the vehicle is actually garaged and driven, and several states actively pursue this. Montana's rules are a genuine advantage for Montanans — they are not a loophole that travels.