https://www.visa-bkdeal.com/register.aspx

Prior to participating in this program, online registration of a valid Visa check card or credit card on the registration page of this site is required. Upon qualified registration, use your registered Visa check card or credit card at any participating BURGER KINGŪ Restaurant for 10 purchases between June 1 - August 31, 2007, and receive a credit for the amount of every 10th purchase (up to $7.00 max value) on your future Visa check card or credit card statement. No minimum amount required for any purchase. PIN-based purchases, Visa prepaid or gift card purchases, ATM transactions, cash withdrawals, and purchases made outside participating U.S. BURGER KINGŪ locations do not qualify. Offer valid only on purchases at participating U.S. BURGER KINGŪ locations with U.S.-issued Visa check card or credit cards.