| BoardingPassSeqNumber | However, identification of a passenger based on his boarding pass may alternatively be done by comparing PassengerName, FlightLegIdentifier and OperatingCarrierPnrCode with the information read from the boarding pass 2D barcode. |
| MaskedCreditCard : CardInfo | Must be given if passenger should be identified by his credit card. |
| FrequentFlyerCard : CardInfo | Must be given if passenger should be identified by his frequent flyer card. |
| TicketNumber | Should be present. However, identification of a passenger based on his "ticket document" may alternatively be done by comparing PassengerName, FlightLegIdentifier and OperatingCarrierPnrCode with the information read from the ticket 2D barcode. |