After applying for a credit card, we will all sign our names on the back of the credit card. The personal signature on the credit card is a proof of acknowledging the transaction and agreeing to deduct the corresponding amount from our account. The merchant must verify the signature on the back of the card before allowing the customer to pay, and the bank must also verify the signature copy sent by the merchant before it can be credited to the account. So, what are the functions of a credit card signature? What are the functions of a credit card signature? 1. To ensure the safety of cardholders, some credit card purchases do not require entering a password, and only the cardholder's signature can be used to make purchases. The purpose of signing is firstly to confirm that you are the cardholder, and secondly to show that you confirm the consumption. In order to ensure the safety of cardholders in China, a password input function has been added. 2Customers have the right to initiate adjustments to the card issuing bank within 180 days. To put it simply, if it was not your purchase and you ask the merchant to provide a signed receipt, but the merchant cannot provide it, or after verification, the purchase form does not have the signature of the cardholder or the signature of a non-cardholder, the merchant can only refund the money. for you. 3. Ensure the amount of the card is swiped. When swiping the card, there is indeed a salesperson who maliciously enters more money than when swiping the card. Therefore, asking customers to sign the POS form can provide an extra layer of protection and review it yourself. 4. Post-facto verification. For example, for merchants, if consumers have objections after consumption, for example, they think that the consumer's card has been swiped too much. The merchant can also take out the consumption receipt to prove that it is the consumption result signed and confirmed by the merchant, which can prove that the merchant has no responsibility. The above is the entire content of this article on why signatures are important for credit card purchases. I hope it can help everyone. When signing for consumption, please pay attention to check whether the card number and transaction amount listed on the consumption receipt are correct, and pay attention to whether the consumption currency and uppercase and lowercase amount are correct, and ensure that the signature on the receipt is consistent with the signature on the back of the credit card.