If there is no certificate, it needs to be printed again.

Proactively contact the bank customer service to explain that due to some reasons, the invoice or receipt was accidentally lost. If you haven't issued a receipt, you can make a supplementary receipt, and the POS machine can do it.

Types of vouchers for credit card consumption:

There are many types of vouchers for credit card consumption. Generally, as long as the cardholder uses the credit card to make purchases in daily life, various vouchers provided by the merchants will suffice. . It should be noted that no matter what kind of consumption voucher it is, it must match the consumption date, otherwise it will be considered by the bank as an invalid consumption voucher.