Texas MV-454 Authorization Letter: How to Fill Out and Submit It

The Texas MV-454 authorization letter is a one-page form that lets a vehicle owner send someone else to the county tax office to handle a single routine transaction, such as renewing registration or getting a replacement sticker or plates. The owner fills it out, names the representative, checks one transaction box, and signs. The representative then brings the completed form and a copy of the owner’s ID to the County Tax Assessor-Collector’s office. The form cannot be used to transfer a title; that requires Form VTR-271 instead.¹

What Transactions the Form Covers

MV-454 lists specific checkboxes, and the owner marks exactly one so the representative’s authority stays limited to that task. The form states that its sole purpose is to authorize the named representative to complete the indicated transaction.

Purchase paperwork at the tax office
Registration or registration renewal
Vehicle driven with expired registration
A ticket or citation tied to registration or plates
Replacement plates
Replacement registration sticker
Duplicate receipt
Address change on the vehicle record
Other (a write-in line for anything not listed)

If your task doesn’t fit one of these boxes cleanly, use the “Other” line and describe it in plain terms. Businesses that run fleets sometimes keep pre-signed forms on hand for employees who handle registration, but each form should still cover one vehicle and one transaction.

How to Fill Out MV-454

Download the form from the Texas Department of Motor Vehicles at txdmv.gov/forms or from your county tax office’s website. It fits on a single page.

Owner and Representative

Write the registered owner’s full legal name exactly as it appears on the title record, followed by the owner’s residential address. Then write the representative’s full name as it appears on their government-issued photo ID. Even a minor mismatch between the name on the form and the name on the ID can cause the clerk to refuse the transaction.

Vehicle Details and Transaction

Enter the model year, make, body style, and the full seventeen-digit Vehicle Identification Number.¹ Copy the VIN directly from the title or the driver-side door jamb rather than from memory. One wrong digit will get the form rejected, and fixing it means getting a fresh signature from the owner. Then check the single box for the transaction the representative will handle.

Signature

The registered owner signs at the bottom. MV-454 does not require notarization, which is what makes it faster to prepare than a full power of attorney. The signature must be original, though. Photocopied or digitally reproduced signatures are not accepted.

What the Representative Brings to the Tax Office

The representative needs to arrive with three things: the completed MV-454, their own valid government-issued photo ID, and a legible copy of the registered owner’s ID. Acceptable owner identification includes a valid U.S. state-issued driver license or personal identification card, a U.S. passport, a foreign passport, or a U.S. naturalization card.¹ A blurry copy or an expired ID is one of the fastest ways to waste a trip.

When the registered owner is a company, the representative must also bring a business card from the company and a copy of a Texas driver license.¹ The business card lets the clerk confirm the representative is actually connected to the entity named on the title.

Bring whatever the specific transaction itself requires as well, such as proof of insurance for a registration. At the counter, the clerk checks the names against the IDs, confirms the vehicle information against state records, and processes the transaction. The representative can sign forms such as Form 130-U on the owner’s behalf, and most transactions finish on the spot.²

Fees

There is no separate charge for using MV-454; the form is free. The underlying transaction costs the same as it would if the owner appeared in person. Standard Texas registration for a passenger vehicle or truck weighing 6,000 pounds or less is $50.75 per year, plus local county fees.³ Most counties accept checks and money orders, and many now take debit or credit cards with a small processing surcharge.

When MV-454 Is the Wrong Form

The form itself states that it may not be used in place of Form VTR-271, the Power of Attorney to Transfer Motor Vehicle.¹ Any change of ownership — a sale, a gift, or any other title transfer — requires VTR-271 instead. VTR-271 functions as a limited power of attorney and carries stricter requirements, including original signatures in black or blue ink.⁴ A clerk will turn away a representative who arrives with an MV-454 for a title transfer, no matter how carefully the form is filled out.

The same restriction applies whenever a title transfer requires an odometer disclosure. Under federal rules at 49 CFR Part 580, one person cannot sign the odometer disclosure as both seller and buyer, and the disclosure requirement now reaches any Model Year 2011 or newer vehicle for its first 20 years.⁵⁶ Use VTR-271, not MV-454, for those transactions.

MV-454 also cannot be used to transfer a vehicle after the owner’s death. The owner’s authority to delegate ended at death, so any previously signed authorization letter is no longer valid. Texas uses Form VTR-262, the Affidavit of Heirship for a Motor Vehicle, together with Form 130-U when no probate is being opened; when the estate has gone through probate, the executor or administrator can assign the title using a certified copy of the probate proceedings, Letters Testamentary, or Letters of Administration.⁷

1
Harris County Tax Office. Texas Form MV-454 Authorization Letter
2
Texas Comptroller of Public Accounts. Motor Vehicle Tax Guide
3
Texas Department of Motor Vehicles. Schedule of Texas Registration Fees
4
Texas Department of Motor Vehicles. Limited Power of Attorney for Eligible Motor Vehicle Transactions
5
National Highway Traffic Safety Administration. Consumer Alert: Changes to Odometer Disclosure Requirements
6
eCFR. Odometer Disclosure Requirements
7
Texas Department of Motor Vehicles. Affidavit of Heirship for a Motor Vehicle