Montana gives a seller no refund for the unexpired months of a registration - the plates come off under MCA 61-3-334 and the money stays where it is. So this form is not the reverse of a sale; it is the form for money that went astray around one. A registration renewal paid twice, in the post and again at the counter. A fee taken for a transaction that never completed. A payment made on a vehicle that had already changed hands. It is a state accounting form rather than a titling one, which is why it asks for a taxpayer identification number and a federal tax classification.
Written against 40-2300 (4/26), issued under certified under MCA 61-5-303; processed by the Motor Vehicle Division. Do not file this expecting a refund of the registration on a car you have just sold. Montana's answer to unexpired registration is the plates in your hand and a conversation with the county treasurer about moving them to another vehicle - and a refund request built on the wrong premise is a form that comes back with nothing in the envelope.
Two documents, and they are not the same thing. Take the blank 40-2300 from the mvdmt.gov copy so you get the revision that is current today, then print our 40-2300 guide and keep it beside you while you fill theirs in.
This is all 2 pages of the actual 40-2300, rendered from the PDF the Montana Department of Justice, Motor Vehicle Division, Vehicle Services Bureau publishes and completed end to end: letterhead, every field, and the blocks at the foot.
Legal name, address, phone, email, driver licence or social security number and date of birth.
Watch out: Use the name the original payment was made in. A refund to a different name is a different transaction as far as the state's accounting system is concerned.
A TIN or FEIN, or a W-9 attached instead.
Watch out: Page two explains why: the accounting system uses it to make sure the payment reaches the right person. Without it, or a W-9, the request is not processed at all.
The figure being claimed.
Watch out: Claim what you can evidence. A round number with receipts behind it moves; an estimate invites a letter asking for the receipts anyway.
A free-text explanation of what happened.
Watch out: Name the dates, the office and the amounts. Duplicate payment on its own is not an explanation the division can check against a record.
One of eight boxes, or a W-9 supplied in its place.
Watch out: An individual selling a family car ticks individual or sole proprietor. The exempt boxes are for organisations, and ticking one wrongly is a perjury certification a page later.
Signature and date, certifying under MCA 61-5-303 and under penalties of perjury.
Watch out: The three statements above the line are tax statements about backup withholding and U.S. person status. Read them - they are not about the vehicle at all.
| On the form | What to put in it |
|---|---|
| Section 1, Requestor Information | Legal name, business name where relevant, mailing address, phone, email, the Montana driver licence number or social security number, date of birth, and a taxpayer identification number or FEIN. |
| Section 2, Request Amount | The amount requested, and a required free-text reason for the request. |
| Section 3, Federal Tax Classification | Eight options - exempt payee, exempt from FATCA, C corporation, S corporation, partnership, trust or estate, individual or sole proprietor or single-member LLC, and other with a blank - or a W-9 supplied instead. |
| Section 4, Requestor Certification | Certified under MCA 61-5-303 and, under penalties of perjury, the three standard taxpayer statements: that the number shown is the correct taxpayer identification number, that the requestor is not subject to backup withholding, and that they are a U.S. citizen or other U.S. person. |
| The explanation on page two | Why the state asks: Montana's accounting system uses the Taxpayer Identification Number as a unique identifier to ensure the payment goes to the correct person or entity, and a foreign national must complete and submit a W-8. |
| The address block | PO Box 201432, Helena - a different box from the Vehicle Services Bureau's, with its own phone and fax. |
Every line here was read off 40-2300 (4/26) itself — the PDF is here — and off the Montana Department of Justice, Motor Vehicle Division, Vehicle Services Bureau pages. This is plain-language help with a form, not legal advice, and where our wording and the agency's differ, theirs governs.
Back to all Montana seller paperwork, or what selling a car in Montana involves.