Support & Contact – De Lijn Tickets and day passes Advance sales points Until when can I use the free tickets via SMS I have received in exchange for my ticket on a magnetic card? Published on June 30, 2021 13:38 Free tickets via SMS you have received in exchange for a ticket on a magnetic card are valid until 31 December 2021. Any questions about this subject?Fill in this form. Related articles Can I still exchange my ticket on a magnetic card? What text message do I send to buy an ticket or day ticket via sms? Can I use free text messages to purchase an ticket or day ticket via sms? Why is De Lijn getting rid of magnetic cards and validation devices? How do I get a receipt for the purchase of my season ticket?