i dont know so some one answer the dang question
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You should sign the back of a credit card on the signature strip.
You should use a permanent marker or a ballpoint pen to sign on your debit card.
You should sign on the back of a credit card in the designated signature panel.
You should sign the back of your debit card on the signature strip to activate it and help prevent fraud.
You should sign your credit card with your full legal signature to help prevent fraud and verify your identity during transactions.