Can I use more than one promotion code on my order? 05 March 2020 12:10 Updated Follow Only one promotion code can be used per online transaction unless specified otherwise. Related articles How do I use my promo code? How do I get special offers? What is the Multibuy Offer and how does it work? How do I track my order? I’m a student, how do I use my Uni Days discount? Comments 0 comments Please sign in to leave a comment.