Please log into your account before applying any promo code and key in your promo code at the shopping cart page as follows:
You may wish to check that your promo code is reflected before checking out.
Please note that the promo code cannot be re-used or reinstated if you request to cancel the order. Promo codes will only apply when minimum spend amount or criteria is met for eligible customers. For full T&C, please click here and do a keyword search on the specific campaign. An illustration is attached below.
For further assistance, please submit your query via the web form and select "Promotions - Promo code eligibility" as the topic.