Support & Contact – De Lijn General questions Summer campaign What if I’ve used up my vouchers? Published on July 03, 2020 07:05 By registering with Blue-bike you can enjoy further cycling fun. By buying a day pass from De Lijn by text message or in the app, you can carry on discovering loads of great places in Flanders. Example confirmation email Any questions about this subject?Fill in this form. Related articles Until when can I apply for my vouchers? How do I know how many vouchers I can still use? Until when can I activate the vouchers I’ve applied for? When will I receive my free vouchers? What if I return my Blue-bike late?