On the next page, you can:
- change or cancel a stay
- add breakfast and late check-out
- find hotel information (parking, eating, etc)
- download an invoice for a past stay (not current or future stay)
- pay in advance
- and more
The citizenM booking code is a mix of letters and numbers. For citizenM bookings, the usual format is: AAA11AA, or AA111AAA-0001. For GDS bookings, the usual format is: 12345AAA123456. Tip: search your email inbox for 'booking code' to find it.