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Unfortunately, coupons are only redeemable at the time of checkout. They may not be applied after your order is submitted. We cannot issue refunds or cash value for coupon amounts.How do I use my Coupon Code?
Place one or more items in your shopping cart and proceed to the My Cart screen of the Checkout process. You must have an item in your cart to enter the coupon code. Under the cart items you will see a radial button with the question “Do you have a coupon? Enter here”. Click the + button and a box will be displayed. Enter the Coupon Code in the box and click "Apply".
Why is my coupon not working?
Please verify the details of the coupon and make sure that the offer has not expired. If you are still encountering a problem, please submit a request for assistance on this TI store customer support form.