Contains the data elements to set check-in data.
| Identification |
| | If UniqueFlightLegId is included it is used as the only identification element. It must have been received previously by data from the airport system responsible for allocating it, typically an AODB. | | Required if UniqueFlightLegId isn't included. | | Required if UniqueFlightLegId isn't included. | | Required if UniqueFlightLegId isn't included. | | Strongly preferred if UniqueFlightLegId isn't included. | | Check-in data |
| | NILABLE | | NILABLE | | NILABLE | | NILABLE |
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