All available discounts appear on the checkout screen underneath the “Subtotal” field. To use a discount on your order, make sure the box is selected; the text will become bold, and the discount will appear in your bag.
If it’s still not working, check the details of the discount, which also appear in the box. Make sure your order meets the minimum required subtotal, not counting any other discounts.That the item is eligible for the promotion And remember that most discounts cannot be combined with others. Credits and discounts can not exceed order total.