Until when can I use my 15% discount? July 28, 2020 17:48 Updated The coupon may be used until June 30th, 2021. Related articles Until when can I collect my official shirt? From when can I use my discount code to purchase my shirt? What is Option 2? What payment methods may I use to acquire the shirt through the website? How can I purchase my shirt at the special price for choosing Option 2?