How do I use my EMV Debit Card? At retailers that have chip-enabled terminals, simply insert your debit card with chip and sign to authorize the transaction. At merchants that are not yet equipped with chip-enabled terminals, swipe and sign your name as usual. Have more questions? Submit a request 0 Comments Please sign in to leave a comment. Related articles Toll Free 800-825-3641 Local 260-490-8328 Is there a fee to receive a new Mastercard debit card or Mastercard Platinum credit card? Where can I fax my Verification of Deposit (VOD) form?