You can earn cash rebates from merchants with their credit card terminals set up with Merchant Category Codes (MCCs). Expressly, these MCCs should qualify for dining, grocery, and petrol transactions. Dining: MCC 5811 (Caterers) MCC 5812 (Eating Places, Restaurants) MCC 5814 (Fast Food Restaurants) Grocery: MCC 5411 (Grocery Stores, Supermarkets) Petrol: MCC 5541 (Service Stations) MCC 5542 (Automated Fuel Dispensers)