Lost your receipt? What proof of purchase a warranty claim really needs
Manufacturers ask for proof of purchase, but they accept more forms of it than they advertise. Here is what works and what to do when you have nothing.
A warranty runs from the date of purchase, so a manufacturer needs to establish that date. That is the whole reason proof of purchase is requested. Once you understand that, the list of things that can satisfy it gets much longer than “the receipt”.
What is usually accepted
The original receipt or invoice. Obviously. A clear photograph is fine; you rarely need the paper.
An order confirmation email. Shows the item, date and seller. Widely accepted.
An order history page from an online retailer. A screenshot showing the item and date usually works.
A credit card or bank statement line. Shows the seller, date and amount. Often accepted alongside the model and serial number, particularly if you can also show the item.
The retailer’s own lookup. Many large retailers can reprint a receipt from a card number or a loyalty account. Ask them before you tell the manufacturer you have nothing.
Warranty registration. If you registered the product when you bought it, the date is already on file with the manufacturer.
Before assembling anything, give the manufacturer the serial number and ask what their records already show. Many manufacturers register warranty start automatically at first activation or at shipment, and the answer is sometimes that you do not need proof of purchase at all.
When you have nothing
You still have options.
Ask for a serial-based warranty date. Where a manufacturer has no purchase record, they typically fall back to a date derived from manufacture or shipment, often with an added allowance for retail time. This is worse than an actual purchase date but it is not nothing, and on a recently manufactured device it may still put you inside coverage.
Check whether the device auto-registered. Phones, tablets and laptops frequently register on first activation.
Check your email thoroughly. Search the model name, the retailer name, and the word “order” across all mail, including archived and spam folders. Order confirmations survive far longer than paper receipts.
Check a card statement. Banks generally retain statements for years and most let you download old ones.
If the serial-based date puts you outside warranty but you know you bought it later, say so and offer whatever partial evidence you have. A manufacturer that registered coverage from shipment will often adjust it on any reasonable proof, because the shipment date was always an approximation.
Gifts, and devices bought by someone else
If the device was a gift, the purchaser’s proof of purchase works. Ask them for the order confirmation.
If you bought it second-hand, whether the warranty transfers depends on the manufacturer. Some transfer automatically with the device, some require a transfer process, some do not transfer at all. Check the serial number on the manufacturer’s coverage checker — that shows the actual position regardless of what the seller told you.
What to do from now on
This is the boring advice that actually solves the problem permanently.
Create one email folder or a single cloud folder for purchase records. When anything above a trivial amount arrives, drop the order confirmation in and photograph the serial number label. It takes thirty seconds.
Better, use the warranty tracker to record the purchase date, warranty length and serial number in one place, so the information exists somewhere other than a receipt that will fade.
Thermal receipts genuinely do fade to blank, sometimes within a year, and a blank receipt proves nothing. Photograph paper receipts the day you get them.
Sources
We link primary sources so you can verify anything on this page rather than take our word for it. Law changes — if a link is dead or the text has been amended, tell us.
- Businessperson's Guide to Federal Warranty Law — Federal Trade Commission
This guide covers US consumer law and was last reviewed on August 29, 2026. It is general information, not legal advice. Rules vary by state and change over time — check the linked sources before you rely on it.