Identification
Required if UniqueFlightLegId isn't included.
Strongly preferred if UniqueFlightLegId isn't included.
If there is a need to remove all baggage bin data submit a BaggageData with Bin = NIL as the only data element in BaggageBinData.
BaggageBinData is considered as the state of the bin allocations and any previous bin allocation data is removed when BaggageBinData is submitted.