When placing a ticket order, there is a spot on the Order Summary screen to enter your promo code. First, press the Play button next to the game you want to order. You can then Pick Your Own Numbers or choose Quick Pick. When you are ready to place your order select Checkout and you will be taken to the Order Summary screen. Tap “Add a promo code” and start typing to enter your promo code. Then press Place Order to complete the order.