Montana Vehicle Bill of Sale — What It Needs & Check First
Everything you need to complete a bill of sale in Montana: what information goes on it, which transfer documents change hands, and how it all flows to the Montana Motor Vehicle Division. Before you sign, run the 17-character VIN — it confirms the title is clean and the odometer reading checks out. It's free.
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Montana Vehicle Sale Data at a Glance
- Montana registered vehicles
- 1.5M
- Montana population
- 1.1M
- Montana titling authority
- MT
- VIN check before signing
- Free
Montana Bill of Sale Rules
The specifics for Montana, taken from the Montana Motor Vehicle Division and Montana law. Every source is linked at the bottom of this page.
Sometimes
Under MCA 61-3-216(4) an ordinary used-vehicle title application must be accompanied by the properly assigned title and no bill of sale, but a bill of sale is required for untitled campers and travel trailers under 61-3-216(5) and on the title-unavailable path in 61-3-208(2)(b)(ii).
Sometimes
Montana statute requires notarization only in specific situations: MCA 61-3-216(5) requires an affidavit sworn before a notary under 1-6-105 for an untitled camper or travel trailer, and 61-3-208(2)(b)(ii) requires 'the bill of sale and a notarized document' when the title is unavailable; no notarization is imposed on an ordinary private-party bill of sale.
40 days
The buyer has 40 days from the date of sale to apply for a Montana title with the Montana Motor Vehicle Division. Late transfers usually mean a penalty.
Montana Against the National Picture
Every figure below is counted from the same state-by-state research that produced the Montana answers above. It is here because "not required" reads very differently once you know how many other states say the same thing.
The official form
We have not found a Montana government page that either publishes a bill-of-sale form or states that none exists. It is likely one of the 25 that do or the 15 that do not — but "likely" is not good enough for a page someone reads mid-sale, so it is recorded as unknown.
Whether the document is required
Montana sits in the largest group: 23 states require a bill of sale in some transfers and not others. 8 require one every time and 11 never do. "Sometimes" is the answer that costs people a second trip, so establish which case your sale falls into before you drive to the Montana Motor Vehicle Division.
Notarization
Conditional notarization applies in 10 states, Montana among them. The condition is set out above; what matters logistically is that "sometimes" has to be resolved to "yes" or "no" before you sit down to sign, because the two answers imply completely different meetings.
The buyer's deadline to apply for title
Montana gives the buyer 40 days — 28 states are tighter, 5 looser, and no other state runs exactly the same clock, out of the 34 that publish a calendar-day figure. What the number does not tell you is how long a lien release takes to arrive from a lender, so treat 40 days as the outside limit rather than the plan.
What Goes on a Montana Bill of Sale
A bill of sale is the written record of a private car sale in Montana. A complete one always captures these four things:
Buyer & seller details
Full legal names and addresses of both parties, so the Montana Motor Vehicle Division can tie the sale to real people.
Odometer reading
The exact mileage at the moment of sale — a legal disclosure that protects against rollback fraud.
Vehicle description & VIN
Year, make, model, body style, and the full 17-character VIN that ties everything to the car.
Price, date & signatures
The agreed price, the date of sale, and both signatures — notarized if Montana requires it.
How a Private Sale Transfer Works in Montana
Titling in Montana is handled by the Montana Motor Vehicle Division. Fees depend on the vehicle, but the paperwork flow in a private sale is always the same — here is how the bill of sale and the title move together.
- 1Complete the bill of saleFill in the buyer and seller details, sale price, date, odometer reading, and the full VIN. Both parties sign.
- 2Sign over the titleThe seller signs the existing Montana title over to the buyer in the assignment section, recording the same sale price, date, and odometer reading shown on the bill of sale.
- 3File with the DMVThe buyer brings the bill of sale, signed title, odometer disclosure, and proof of identity to the Montana Motor Vehicle Division to transfer the title, pay any tax due, and register the vehicle. In Montana the buyer has 40 days from the date of sale to do this.
Montana Vehicle Transfer Documents
The bill of sale is one of several papers that change hands when a car is sold in Montana. These are the documents a private transfer usually involves:
Bill of sale
Proof of purchase the Montana Motor Vehicle Division uses to calculate sales tax: who, what, when, how much, and the VIN.
Signed-over title
The primary ownership document. The seller assigns the Montana title to the buyer in its assignment section.
Odometer disclosure
A required mileage statement, often built into the title or bill of sale, guarding against rollback fraud.
Lien release
If the car had a loan, the lender's release proving the lien is paid so a clean title can transfer.
Montana titling authority
Vehicle titles and transfers in Montana are handled by the Montana Motor Vehicle Division. About 1.5M vehicles are registered across the state, and every transfer is recorded against the VIN — so the documents you sign should always match the VIN on the car. See the Montana vehicle title guide for the title side of the transfer.
Why Check the VIN Before You Sign in Montana
The bill of sale records what the seller claims. A free VIN check shows what actually happened to the car — before you put it in writing.
Confirm the odometer reading. The mileage you write on the Montana bill of sale is a legal disclosure. An odometer rollback means the figure the seller gave you is wrong — and the car is worth less.
Make sure the title is clean. A bill of sale can't undo a salvage brand. Check that the title has no hidden brand before you agree on a price.
Rule out an open lien. If a previous owner's loan was never paid off, the title can't pass to you cleanly. A Montana lien check surfaces it before money changes hands.
Check before you sign
Enter the 17-character VIN to confirm the title is clean, lien-free, and the mileage checks out — everything you want verified before the Montana bill of sale is signed.
Mistakes Worth Avoiding on a Montana Bill of Sale
Read this part before the meeting rather than after it. Each of the following is trivial to get right while both parties are standing there, and genuinely difficult once the car has changed hands.
- 1
The two signatures were made at different times
A bill of sale is a record of a moment, and both parties are meant to be at it. In Montana some transfers must be notarized, which makes the order of events matter: a signature made before you reach the notary cannot be witnessed retrospectively. Sign the same piece of paper, at the same time, and make the second copy before you part.
- 2
The date is missing, or moved
The date of sale is what every subsequent clock runs from. In Montana the buyer has 40 days from it to apply for title, so backdating the document to cover a delay does not buy time — it spends it. It is also the line either party points at when a ticket, a toll or an insurance claim arrives for a day neither of them owned the car. Leave it blank and there is nothing to point at.
- 3
The seller's name is not the name on the title
If the person selling the car is not the registered owner, a bill of sale between the two of you transfers nothing. This is what an unrecorded middle owner looks like, and it leaves the buyer holding a car they cannot title. Ask to see the Montana title and check the name on it against the identification of the person in front of you. Where the owner has died or the car is being sold by a dealer on someone's behalf, the Montana Motor Vehicle Division has a defined process — and it is not a private bill of sale.
- 4
The odometer box is empty
The mileage is a legal disclosure, not a courtesy, and "as is" or a dash in that box is the commonest reason a bill of sale gets handed back. Write the exact number showing on the dashboard, not a rounded one, and write the same number on the title assignment. If the two documents disagree the transfer stalls, and the version the Montana Motor Vehicle Division believes is the one that makes the buyer's car worth less.
- 5
Something has been crossed out
Alterations are read as tampering, especially on the title. A struck-through VIN, a corrected mileage figure or a whited-out name is usually enough for a clerk to reject the document outright, and on a Montana title it can mean applying for a duplicate before the transfer can go ahead at all. Start a fresh sheet instead. A bill of sale costs nothing to reprint and a duplicate title costs a fee and a wait.
- 6
The VIN was copied from the advert
A VIN is 17 characters and there is no way to tell a correct one from a wrong one by looking at it — which is exactly why transcription errors survive all the way to the Montana Motor Vehicle Division. Read it off the car, not off the listing: the plate at the base of the windscreen on the driver's side, and again on the sticker in the driver's door jamb. If those two disagree with each other, stop. That is not a typing mistake, and no bill of sale can fix it.
The Rest of the Montana Paper Trail
Everything below happens after the signature and before the car is legally yours in Montana. Read the ones that apply to your sale — the lien and odometer checks in particular are cheaper to do now than to discover later.
The title is the transfer; the bill of sale only records it. This is the single most expensive misunderstanding in a private sale — a signed receipt and a set of keys do not make you the owner in Montana, and a buyer who never completes the assignment finds out when they try to sell the car on. What the seller has to sign, where the odometer statement goes, and what to do when the title is lost are all covered in the Montana vehicle title guide.
Nothing moves while a lien is open. If the seller still owes money on the car, the lender holds the security interest and the Montana Motor Vehicle Divisionwill not print a clean title in your name until it is released. That release usually comes by post from the lender, which is why the buyer's deadline is rarely the real constraint. Establish whether a lender is on the record with a Montana lien check before you hand over cash, not after.
The mileage you write down is a legal statement. The odometer figure on the bill of sale and the one on the title have to agree, and both have to be true — a reading that is lower than a previously reported one is the signature of a rollback, and it is the buyer who carries the loss. Compare every reading ever filed against the VIN in the Montana odometer check.
A brand travels with the car, not with the seller. If the vehicle was written off at any point in its life, the brand is attached to the VIN and it follows the car into Montana whichever state applied it. No bill of sale can remove it, and no verbal assurance survives contact with the title. The Montana salvage title check shows what is recorded against it.
Then the plates. Titling and registering are two different transactions, and the second one is what puts the car legally on the road — with its own proofs, its own fees and, in some counties, its own inspection. The requirements are set out in the Montana vehicle registration guide.
Or do all of it at once. Title brands, reported mileage, theft records and open liens are all keyed to the same 17 characters, so there is no reason to check them one at a time. The Montana VIN check runs them together, before the bill of sale is signed rather than after.
Check a Montana Car Before You Sign
Confirm the title is clean, lien-free, and the mileage matches before money changes hands. Free, in seconds.
Bill of Sale in Other States
Titling and transfer rules are run state by state, with different agencies and forms. Compare Montana with these guides, or run any VIN nationwide.
افحص رقم الشاصي دائماً قبل الشراء
المعاينة المجانية تُظهر علامات سند الملكية وحالة السرقة والاستدعاءات المفتوحة خلال ثوانٍ، وتُشير إلى وجود سجلات حوادث أو عدّاد من عدمه. التقرير الكامل بـ 14.99 دولاراً — دفعة واحدة، بلا اشتراك.
Montana Bill of Sale FAQ
The questions Montana buyers and sellers ask most about the bill of sale and the documents a private car sale needs.
What goes on a bill of sale in Montana?+
A Montana bill of sale records the full names and addresses of the buyer and seller, the sale date, the purchase price, the vehicle's year, make, model, and body style, the exact odometer reading, and the 17-character VIN. Both parties sign it. Confirm the VIN on the bill of sale matches the title and the dashboard before signing — and run a free VIN check first to verify the title is clean and lien-free.
Do I need a bill of sale to transfer a car in Montana?+
In some transfers, yes. Under MCA 61-3-216(4) an ordinary used-vehicle title application must be accompanied by the properly assigned title and no bill of sale, but a bill of sale is required for untitled campers and travel trailers under 61-3-216(5) and on the title-unavailable path in 61-3-208(2)(b)(ii). The signed-over title remains the primary ownership document; the bill of sale is the dated proof of purchase the Montana Motor Vehicle Division uses to confirm the sale and calculate any tax due.
Does a Montana bill of sale need to be notarized?+
Sometimes. Montana statute requires notarization only in specific situations: MCA 61-3-216(5) requires an affidavit sworn before a notary under 1-6-105 for an untitled camper or travel trailer, and 61-3-208(2)(b)(ii) requires 'the bill of sale and a notarized document' when the title is unavailable; no notarization is imposed on an ordinary private-party bill of sale.
How long do I have to transfer a title in Montana?+
40 days from the date of sale. The buyer has 40 days from the date of sale to apply for a Montana title with the Montana Motor Vehicle Division. Late transfers usually mean a penalty. This is the buyer's deadline to apply for title — a seller's duty to report the sale, where one exists, runs on a separate clock.
Is Montana unusual about bills of sale?+
Whether Montana publishes a form of its own is unresolved in our research; 25 states do and 15 do not. On whether the document is required at all, the country splits 8 always, 23 sometimes and 11 never, out of the 42 states publishing a rule. Notarization is the real outlier: 23 states say it is not needed, 10 require it in certain transfers, and 2 require it every time (Louisiana and West Virginia).
Does a car bill of sale have to be notarized?+
Not in most of the country. Of the 35 states where the rule is published, 23 do not require notarization, 10 require it for particular transfers, and 2 require it on every one — Louisiana and West Virginia. Montana is in the middle group: some transfers need it and some do not, so resolve which case applies before the meeting. The advice that "a bill of sale must always be notarized" is a rule from somewhere else, repeated without its state attached.
Is 40 days a long time to transfer a title?+
It is on the generous side. Across the 34 states that publish a calendar-day deadline for the buyer, the figure runs from 10 days to 60, and 30 days is the commonest single answer — 18 states use it. 28 states give buyers less time than Montana does and 5 give more. The clock starts on the date written on the bill of sale, so do not backdate it to cover a delay: that shortens your own deadline. Where the car had a loan, the real constraint is usually how long the lender takes to send a lien release, not the Montana Motor Vehicle Division's deadline.
Can I use an out-of-state bill of sale in Montana?+
Usually yes for the document itself — a bill of sale is a record of a transaction, and Montana does not reject one because it was typed on another state's template. What does not travel is the procedure around it: 2 states require notarization and the rest largely do not, deadlines to apply for title range from 10 to 60 days, and 25 states publish a form with fields the other 25 never ask for. If you are buying across a state line, the rules that bind you are the ones where the car will be titled, not the ones where it was sold. Run the VIN before you cross the line either way — a brand applied in one state follows the car into the next.
What documents do I need to buy a used car in Montana?+
Besides the bill of sale, you'll typically need the Montana title signed over by the seller, an odometer disclosure (often part of the title or bill of sale), a lien release if the car had a loan, and your own proof of identity and insurance to register it with the Montana Motor Vehicle Division. A free VIN history check isn't legally required, but it's the smartest document to add — it confirms the title is clean before money changes hands.
Why check the VIN before signing a bill of sale in Montana?+
The bill of sale records what the seller claims; a VIN check shows what actually happened to the car. Running the 17-character VIN before you sign confirms the title is clean, the odometer reading is consistent with the car's history, and there's no open lien that would block the transfer at the Montana Motor Vehicle Division. It's free and takes seconds.
Are there any specific titling rules in Montana?+
Montana's lack of vehicle sales tax has made it a popular state for LLC registrations, so VIN history may show out-of-state usage.
Sources for the Montana Rules on This Page
The Montana-specific rules above come from the following official government pages. Last checked 2026-08-21. Rules change — if you are relying on one for a sale, confirm it at the source before you sign.
- archive.legmt.gov — https://archive.legmt.gov/bills/mca/title_0610/chapter_0030/part_0020/section_0160/0610-0030-0020-0160.html
- archive.legmt.gov — https://archive.legmt.gov/bills/mca/title_0610/chapter_0030/part_0020/section_0080/0610-0030-0020-0080.html
- archive.legmt.gov — https://archive.legmt.gov/bills/mca/title_0610/chapter_0030/part_0020/section_0200/0610-0030-0020-0200.html
- dojmt.gov — https://dojmt.gov/driving/vehicle-title-and-registration/
Buying or Selling a Car in Montana? Check the VIN First.
Enter a 17-character VIN to confirm a clean, lien-free title and an honest odometer reading before you complete the Montana bill of sale.
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