You're buying a 2014 Camry from a guy off Marketplace, and the back of the title has a little box that says "Odometer Reading" with a couple of checkboxes under it. He scribbles 96,000, ticks the first box, and pushes the pen at you. That box is the odometer disclosure statement, and it's one of the few places where federal law puts a seller's mileage claim in writing, with his signature under it. Most people sign it without reading. Here's what it actually means, which cars still need one in 2026, and what to do when the number on the paper doesn't match the car.
What the odometer disclosure statement is
The rules live in 49 CFR Part 580, which carries out the federal odometer law in Chapter 327 of Title 49. When ownership of a covered vehicle changes hands, the seller (the "transferor") has to write the mileage on the title itself, or on an approved reassignment form, and sign it. The disclosure has to include the odometer reading without tenths, the date of transfer, both parties' printed names and current addresses, and the make, model, year, body type and VIN of the car. Then the buyer signs too and gets a copy.
I read the current eCFR text of section 580.5 while writing this, and the part people skip is the certification. The seller isn't just writing a number. They have to pick one of three statements: the reading reflects the actual mileage to the best of their knowledge, or the mileage exceeds the odometer's mechanical limits, or the reading is not the actual mileage and should not be relied on. That third box is the "not actual mileage" warning, and if a seller ticks it, the title brand that follows can stay with the car for the rest of its life. We've covered what that brand does to value in our post on the not actual mileage brand.
The 10-year rule is gone for newer cars
This is the bit a lot of older advice online still gets wrong. For decades, cars older than ten model years were exempt, so a seller could leave the box blank on anything a decade old. NHTSA changed that in an October 2019 final rule that also let states move to electronic odometer disclosures. After states pushed back on the timeline, the agency delayed the exemption change to January 1, 2021. NHTSA's own consumer alert from December 2020 spells it out: model year 2011 and newer vehicles now need a mileage disclosure on every transfer for 20 years, while model year 2010 and older cars kept the old 10-year exemption and are already exempt.
So, in practice, as of fall 2026: a 2011 car still needs a disclosure until 2031, a 2015 car until 2035, and so on. A 2009 pickup doesn't. Look, if a seller of a 2013 SUV tells you "it's too old, the mileage box doesn't apply anymore," they're working off rules that died years ago, and you should ask why they'd rather not put a number in writing. Nevada's DMV even warned at the time that the new rule applies even when an existing title is printed with an "exempt" notation.
There are a few other exemptions in section 580.17 that still stand: vehicles over 16,000 lb GVWR, anything that isn't self-propelled (trailers), certain vehicles sold straight from the manufacturer to a federal agency, and a brand-new car before its first retail sale. For a normal used car or light truck, assume the disclosure is required.
Why the signature matters if the miles turn out to be fake
Here's the catch with rollback fraud: proving it later is hard unless someone put a claim in writing. The signed disclosure is that claim. Under 49 U.S.C. 32710, a person who violates the odometer law with intent to defraud is liable for three times the actual damages or $10,000, whichever is greater, plus attorney's fees if you win. That $10,000 floor was raised from $1,500 in 2012. Honestly, that's one of the stronger consumer remedies in car buying, and it hinges on paper you're about to sign in a parking lot.
And the problem isn't shrinking. NHTSA estimates more than 450,000 vehicles are sold each year with false odometer readings. CARFAX published data in December 2025 suggesting roughly 2.45 million vehicles on the road have suspected rollbacks, up 14% in a year, with an average value loss around $3,300. NPR reported in June 2025 that Wisconsin's DOT flagged nearly 6,000 vehicles with signs of rollback the prior year, more than triple the year before, and pointed at cheap OBD-port tools that can rewrite digital odometers.
How to check the number before you sign
Do this in order, and do it before money changes hands.
- Read the dash yourself. Turn the key, look at the cluster, and compare it to what the seller wrote. Don't let them fill the box in from memory.
- Compare against the last recorded reading. The previous owner's disclosure is usually printed on the face of the title. If today's number is lower, stop.
- Pull a history report. A CARFAX or AutoCheck report lines up dated mileage from inspections, service visits, title events and auctions. A reading that drops between two dates is the classic rollback signature. Our guide on CARFAX odometer discrepancies walks through how those flags look and which ones are clerical errors.
- Match wear to miles. Pedal rubber, the driver's seat bolster and the steering wheel don't lie as easily as a screen. The rollback detection guide has the physical checks.
- Ask about cluster swaps. A replaced instrument cluster can legitimately reset mileage, but it should be documented. See cluster replacement and mileage brands.
A full report through us runs about $5.50 as a guest or around $4.50 for members (bundles about $6.75), versus the $39.99 to $44.99 you'll usually see quoted at retail, though prices move, so confirm at checkout. We're a licensed CARFAX and AutoCheck reseller and not affiliated with CARFAX, AutoCheck or Experian. What we won't do is pretend a seller's emailed PDF is the same thing. We've seen too many doctored "reports" with the mileage line edited, so run the VIN yourself.
Common ways buyers get burned
The blank box is the big one. A seller signs the title, leaves mileage empty, and says "just fill it in." If you write a number, it's your handwriting on their certification. Another is the "bill of sale only" deal, where there's no title at all, so there's nowhere for a proper disclosure to go; we wrote about that mess in bill-of-sale-only Marketplace cars. Imports add a third trap, where a cluster reading in kilometers gets written down as miles, which we unpack in kilometer-to-mile odometer fraud.
Last one, and it's sneaky: corrections. If a seller crosses out a mileage figure or there's whiteout on the title, many DMVs will reject it, and you may be the one stuck fixing it. Ask for a clean title or a state-approved correction form instead of an "it's fine, they'll take it." And if a report shows a mileage error you think is clerical, here's how to fix an odometer error on CARFAX or AutoCheck.
Sources
- eCFR: 49 CFR Part 580, Odometer Disclosure Requirements
- Federal Register: NHTSA final rule, Odometer Disclosure Requirements (Oct. 2, 2019)
- NHTSA consumer alert: changes to odometer disclosure requirements
- NHTSA: Odometer fraud
- Cornell LII: 49 U.S.C. 32710, civil actions for odometer fraud
- CARFAX: Odometer rollback is on the rise (Dec. 2025)
- NPR: Some states are seeing an increase in odometer rollbacks (June 2025)


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