For your safety and security, MoveOn requires that you enter your card's verification number. The verification number is a 3-digit number printed on the back of your card. It appears after and to the right of your card number. If you are using American Express, the number is a 4-digit number printed on the front of your card. It appears after and to the right of your card number. Providing this number assures us that you are indeed the card holder.
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