OPnGO account and invoices

My invoices

• How can I add an identification number on my invoice ?
• How do I download an invoice?

How to manage my Indigo Neo account

• I do not receive Indigo Neo mails, what should I do?
• My account is locked: what should I do?

Promo code

• I have received a promotional code, how can I use it?
• The promo code did not work for my on-street session. Why?

Payment methods

• Why do I need to fill in a credit card?
• How are my bank details secured?
• What payment methods are accepted?
• Why does Indigo Neo require authorisation from my bank when I register my card?