Strictly speaking, the signature on the purchase order must match the signature on the back of the credit card in order to be considered valid. Because credit cards are signed abroad, handwriting cannot be imitated and it is not easy to be used. The password is not. However, the merchants in our country are not strict in this respect, as long as they use the password pair, they can be regarded as successful consumption.
In order to sign safely or seriously, it is best to put the signature on the back of the credit card to avoid unnecessary trouble for yourself.
3. The signature on the back of the credit card is to sign the full name to verify the consumption payment.
The signature is the same as the name of the ID card;
Sign with the application form;
Signature should be used for future consumption.
Sign with a black ballpoint pen;
The signature strip (generally 5cm) on the back of the credit card can be signed anywhere.