| Fulfillment | Information on the fulfillment of the ticket, that is, e.g. the party that will be issuing the ticket, or has already issued the ticket.Identifies a company by name. |
 Itinerary | Full details on the itinerary referenced by this reservation. An itinerary represents all inventory booked and associated with this specific reservation. |
 PassengerInfo | Passenger information for a reservation.Category of Passengers with detail information (including name, contact info, travel profile) for passengers make up of a category. |
| PaymentRules | A collection of payment rules associated with this rail reservation. |
| TPA_Extensions | A placeholder in the schema to allow for additional elements and attributes to be included per Trading Partner Agreement (TPA).Allows extensions to be added to the OpenTravel specification per trading partner agreement. |
| UniqueID | A confirmation number by which this reservation can be uniquely identified.An identifier used to uniquely reference an object in a system (e.g. an airline reservation reference, customer profile reference, booking confirmation number, or a reference to a previous availability quote). |