You can read below what to do in these situations:

Your text message has already been sent

• In case of an inspection, provide your mobile number to the inspector. Based on your number, the line inspector can check whether a valid SMS ticket has been purchased.
• Are you traveling with a digital ticket? Our line inspectors can also check this.

Your text message has not been sent yet

• Always make sure you have a valid ticket before you board.
• You can also pay contactless with your payment card or your payment app on your smartphone or smartwatch. Hold your payment method in front of the white terminal on the vehicle.