travelInformation. transit.airline.ancillaryInformation. connectedTicketNumber

Airline ticket number connected to ancillary purchase.

If purchase has connection or relation to another purchase, such as a baggage fee for a passenger transport ticket, this field must contain the ticket number for the other purchase.

For stand-alone purchases, the value for this field must be the same value used for the

travelInformation.transit.airline.ancillaryInformation.ticketNumber

field.