| DateTime | Date/time when the time initiated queuing should take place. |
| Text | Text describing why the queuing takes place.
|
| PseudoCityCode | The ATA/ IATA airport/city code, office code, pseudo city code, etc. of the queue. |
| QueueCategory | The category of the queue. |
| QueueID | An additional identifier to determine the exact queue on which a reservation record should be placed. |
| QueueNumber | An identifier specifying the queue on which the booking file resides in the system. |
| SystemCode | Identifies the airline and/or system where the queue resides. If this is omitted, the airline and/or system code (AirlineVendorID) contained in the point of sale information should be used. |