Support & Contact – De Lijn Business range Billing for contracts As a third-party payer, when and how will I receive the invoice? Published on September 04, 2020 13:45 Our accounting department prepares the invoices once a month. You will receive your invoice by post at your invoicing address on around the 10th of the month. Related articles What is a third-party payer scheme? How do I get a receipt for the purchase of my season ticket? How do I request a new MOBIB card? I earn a living wage. Am I entitled to a discounted travel pass? Where can I travel with my Student Bus Pass / Campus Pass?