| AddToStandbyDateTime | A date and time stamp of when a passenger was added to the standby list. |
| EmployeeLengthOfService | The length of time that the employee has been (or was) employed by the airline. For example, if an employee has 5 years and 20 days of service then the employee length of service field will contain a value of P5Y20D. |
| EmployeeSeniorityDate | The company seniority date for an employee. May be used for non-revenue travel. |
| GroupReference | Identifies the booking group to which this passenger belongs. |
| InfantIndicator | If true, an infant is being checked in with this passenger. |
| JumpSeatAuthority | Identifies the jump seat authority for the passenger. |
| PassengerAssociationID | Identifies passengers that wish to be seated adjacent to each other. |
| PassengerRPH | Provides a unique reference to an adult passenger so that an infant or child passenger can be related to that adult passenger. |
 RPH | Provides a unique reference to this passenger. |
| SecurityCode | Notifies the security agency (e.g., TSA) of a general security check requirement (e.g., SSSS - Secondary Security Screening Selectee). |
ContactInfo