For your protection, we ask that you enter an extra 3-4 digit number called the CCID. The CCID is NOT your PIN number. It is an extra ID printed on your Visa, MasterCard, Discover, or American Express Card.

Visa, MasterCard, and Discover: On the back of the card in the top-right corner of the signature box.
Enter the three-digit number following the credit card number.

American Express: On the front of the card.
Enter the four-digit number on the right directly above the credit card number.