Sell My Car Hub

How to fill out Montana 40-2300

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.

Filled in

What a completed one looks like

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.

A completed Montana 40-2300 Request for Refund. Section 1 names Delphine R. Kowalchuk of Lewistown, Montana with her phone, email, Montana driver licence number, date of birth and a taxpayer identification number. Section 2 requests $96.75 and gives the reason as a duplicate payment - a registration renewal paid online on 07/29/2026 and again at the Fergus County Treasurer counter on 07/31/2026, with both receipts attached. Section 3 has the individual or sole proprietor classification ticked. Section 4 is signed and dated 08/26/2026. The business name field and the other seven tax classifications are shaded grey.
Page 1 of 2. The requestor, the amount, the reason and the tax classification - the four things the division needs before it can pay anything out.
A completed Montana 40-2300 Request for Refund. Section 1 names Delphine R. Kowalchuk of Lewistown, Montana with her phone, email, Montana driver licence number, date of birth and a taxpayer identification number. Section 2 requests $96.75 and gives the reason as a duplicate payment - a registration renewal paid online on 07/29/2026 and again at the Fergus County Treasurer counter on 07/31/2026, with both receipts attached. Section 3 has the individual or sole proprietor classification ticked. Section 4 is signed and dated 08/26/2026. The business name field and the other seven tax classifications are shaded grey.
Page 2 of 2. The explanation page, shown unmarked: why a taxpayer identification number is required, and what a foreign national must send instead.
Field by field

Every line, in the order you meet it

  1. 1
    You fill this in

    Section 1: who is owed the money

    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.

  2. 2
    You fill this in

    The taxpayer identification number

    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.

  3. 3
    You fill this in

    Section 2: the amount

    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.

  4. 4
    You fill this in

    The reason - required

    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.

  5. 5
    You fill this in

    Section 3: the tax classification

    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.

  6. 6
    You fill this in

    Section 4: sign it

    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.

At a glance

What goes where

On the formWhat to put in it
Section 1, Requestor InformationLegal 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 AmountThe amount requested, and a required free-text reason for the request.
Section 3, Federal Tax ClassificationEight 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 CertificationCertified 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 twoWhy 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 blockPO Box 201432, Helena - a different box from the Vehicle Services Bureau's, with its own phone and fax.

What gets this one rejected

Rules that decide whether it is accepted

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.

Want the paperwork handled instead?

Get My Instant Offer → Online · about 2 minutes · free

Or send the details — we'll come to you

Chasing small sums around a sale that has already gone sideways is rarely worth the postage. If you would rather just be done with the car, tell us about it.

or call/text (877) 405-1808