A POS signature is the mark you make on a card terminal screen or paper receipt to confirm a purchase at the point of sale. Since April 2018, none of the four major U.S. card networks require one for most credit or debit transactions, so you’ll see the prompt far less often than you used to. It hasn’t disappeared, though. Some merchants still ask, the signature still has legal force when you provide it, and whether you sign has almost nothing to do with how well you’re protected from fraud.
Why You’re Asked to Sign Less Often
In April 2018, Visa, Mastercard, American Express, and Discover all stopped requiring signatures on card purchases. Visa made signatures optional for any merchant with an EMV-enabled terminal in the U.S. and Canada.1Visa. Visa – Signature Optional for EMV-Enabled Merchants Mastercard dropped the requirement outright for all credit and debit purchases in the U.S. and Canada. American Express eliminated it worldwide.
The reasoning was simple. Chip-enabled cards generate a unique cryptogram for each transaction, which is a far stronger fraud deterrent than comparing a scribble on a screen to the back of a card. The October 2015 EMV liability shift had already moved fraud liability onto whichever party in the transaction hadn’t adopted chip technology, so by 2018 the signature’s old job was already being done by the chip.
When a Merchant Still Asks You to Sign
The networks made signatures optional, not forbidden. Individual merchants can still ask for one, and some set an internal dollar threshold, requesting a signature on purchases above $50 or $100 as a fraud safeguard. A signed receipt gives the store something to point to if the charge is later disputed.
Restaurants and hotels are the most consistent holdouts. In a restaurant, you sign to authorize a final total that includes the tip you wrote in; without that signature there’s no record you agreed to the gratuity. Hotels have the same issue with incidentals like minibar charges or room service added after check-in. The signature on those receipts documents your authorization for the full amount, which a chip read at check-in can’t do on its own.
Is a Signature on a Terminal Legally Binding
Yes. The federal ESIGN Act (15 U.S.C. ยง 7001) provides that a signature or contract cannot be denied legal effect solely because it’s in electronic form.2Office of the Law Revision Counsel. 15 USC 7001 – General Rule of Validity The wobbly line you draw with a fingertip on a checkout screen carries the same weight as a pen signature on paper.
At the state level, nearly every state has adopted the Uniform Electronic Transactions Act (UETA), which recognizes electronic records and signatures. New York is the outlier, but has its own statute reaching the same result. If a disputed retail charge ever ends up in court, the digital signature on the receipt is admissible and binding.
Does Signing Affect a Chargeback or Fraud Claim
A chargeback happens when you ask your bank to reverse a charge. The merchant then has to produce evidence the transaction was legitimate, and a captured signature is one piece of that evidence because it suggests the cardholder was present and approved the purchase. Visa’s current dispute guidelines list signed receipts as one acceptable form of compelling evidence, alongside items like delivery confirmation and address verification matches.3Visa. Dispute Management Guidelines for Visa Merchants It’s no longer the deciding factor it once was.
For your own exposure to fraud, what matters more than whether you signed is which kind of card was used. Credit cards cap your liability for unauthorized charges at $50 under federal law, and most issuers waive even that.4Office of the Law Revision Counsel. 15 U.S. Code 1643 – Liability of Holder of Credit Card
Debit cards work differently. Under Regulation E, your liability depends on how fast you report the problem:5Consumer Financial Protection Bureau. Regulation 1005.6 – Liability of Consumer for Unauthorized Transfers
- Report within 2 business days, and your maximum liability is $50.
- Report between 2 and 60 days, and liability can rise to $500.
- Wait longer than 60 days, and you can be on the hook for the full amount of unauthorized transfers that happened after that window.
The signature itself doesn’t change any of this. The payment method behind it does.
What’s Replacing the Signature
Tap-to-pay transactions skip the signature question. When you tap a contactless card or use a mobile wallet, the terminal generates a unique one-time code for that transaction, similar to the cryptogram in a chip transaction.6Visa. Contactless Payments for Merchants No signature, no PIN.
Mobile wallets like Apple Pay and Google Pay add a second layer. Your phone or watch authenticates you with a fingerprint or face scan before transmitting payment data, so the person tapping has to be the person who set up the device. As contactless adoption spreads, the POS signature is becoming a leftover of situations where the final amount of the sale isn’t known at the moment the card is first authorized, which is exactly why restaurants and hotels still ask for one.