We can use an ATM card without a signature.
You can use your ATM card without signing the back of the ATM card.
Major card networks like Discover, Mastercard and Visa, no longer require signatures on the back of the ATM cards or debit cards.
Debit cards and ATM cards can be used without a signature.
So you can even use a debit card at an ATM machine as well as in stores without a signature on the back of the card and without a signature on the key pad as most modern debit card transactions and ATM card transactions rely on the Personal Identification Number or PIN or tap to pay (EMV chip technology for security.
So you don't have to sign the back of your ATM card.
And you don't have to sign the back of your debit card as they both will work without the signature, but it's still recommended to sign the back of your ATM card or debit card, using a permanent, quick drying pen.
Signing the back of your debit card and ATM card provides a critical layer of fraud protection.
Although it's not as much of a concern with ATM cards, but you should still sign the ATM card.
Signing the back of your debit card gives merchants a reference to verify your identity by comparing the signature on your card to the receipt.
Without your signature on the back of your debit card, a thief could sign your card in their own handwriting and successfully make purchases.
Additionally, network rules from processors like Visa or Mastercard consider unsigned cards invalid although they still will work.
However if you leave the panel blank, a merchant or teller has the right to refuse the transaction until you provide a signature and proper identification.