If a product goes out of stock during a promotion, can I apply the code when the product is back in stock? April 02, 2019 20:14 Gifts or discounts can only be applied to items that are currently in stock, and only for the duration of the promotion. Related articles Can I cancel or modify an order once it has been placed? Maximum Purchase Quantity What forms of payment does Tatcha accept? What happens if I accidentally returned an item that is not a TATCHA.com purchase? When will I be billed for my purchase?