Defines the type of travel documentation presented. Basically this is either something that identifies the passenger or a (2D bar code) ticket.
Legal values
The following values are defined:
"cc": Credit card PassengerIdSubType: Company identifier: "MASTERCARD", "VISA", "DINERS", "AMERICAN EXPRESS", ... PassengerIdData: The credit card number without any separator characters. Example: "1234567890123456".
"cc_m": Credit card, masked number (PCI DSS compliant masking PassengerIdSubType: As for credit cards above. PassengerIdData: Masked credit card number on the form "nnnnnn******nnnn"
"fqtv": Frequent flier card PassengerIdSubType: Airline identifier, IATA two char code PassengerIdData: Card number without any separator characters
