| FlightSegmentRPH | The segment this baggage allowance is associated with. |
| Operation | Indicates the required modification to the element.Identifies an action to take place. |
| UnitOfMeasure | This is the standard unit of measure name (e.g., it could be generic such as metric or imperial or specific such as inches, feet, yards, miles, millimeters, centimeters, meters, kilometers- according to usage). |
| UnitOfMeasureCode | The unit of measure in a code format (e.g., inches, pixels, centimeters). Refer to OpenTravel Code List Unit of Measure Code (UOM). |
| UnitOfMeasureQuantity | This is the numeric value associated with the measurement. |