When placing my order, when should I enter my promo code? Eleanor Updated November 17, 2022 16:21 You will find a box bottom left, just below the item in the shopping cart, to enter your promo code. Related articles Can I use an online promo code to make a purchase in a shop? How do I use a promo code? How do I get a promo code? How long are gift cards valid? How can I change the contents of my cart? Comments 0 comments Article is closed for comments.