English to Polish Bus/Financial Finance (general)

To co znalazlam na ten temat:

On Visa, MasterCard, or Discover it is an additional 3 digits after your account number on the back of your card, above your signature
On an American Express it is 4 digits printed on the front of your card, near the embossed credit card number

Moj kontekst:
One moment please. Your transaction is being processed.
Please enter in the full transaction amount, followed by the hash key.
Please enter the authorization code that you wish to cancel, followed by the hash key.
Please enter the batch code of the card, followed by the hash key.
Please enter the C V V 2 number from the card, followed by the hash key.
Please enter the card number, followed by the hash key.