A node containing change operation group Change Operation Group is a logical grouping of one or more operations that leads to a new Order Version. Should not have multiple change operations to the same element. Change Operation Group is a logical grouping of one or more operations that leads to a new Order Version. Should not have multiple change operations to the same element. Change Operation is an Instruction on addition, replacement or deletion of elements within an Order. An organization playing a participating role in an instance of a distribution channel. Version of the Order. Change Operation is an Instruction on addition, replacement or deletion of elements within an Order. Change Operation Date and Time within an Order. Refer to IATA ATSB Codeset: CHT Indicates to the Seller the type of change. A Structural node used in messages which contains details of the changes. A Structural node used in messages which contains details of the changes. Refer to ATSB Codeset: CHR Indicating the reason for change. The OrderChangeNotif transaction sends an unsolicited order change notification message. The Acknowledgement message may be returned to acknowledge receipt of the notification request. Implementer-Augmented Structure. An instance of a distribution channel. That is, the set of organizations involved in the development of the current transaction. Order Change Notification. IATA Standard Payload Attributes OrderHistoryRS information A node containing change operation group. Version of the Order to which the change operations above need to be applied. Once fully updated, the version of the Order would correspond to the version of the last ChangeGroup in this batch of changes (OrderChangeNotifRQ). Required by Sellers who are unable to store the Orders sent to them by Airlines. Also used by Airlines unable to persist IDs or reproduce IDs consistently between Order responses. Version of the Order to which the change operations above need to be applied. Once fully updated, the version of the Order would correspond to the version of the last ChangeGroup in this batch of changes (OrderChangeNotifRQ). Required by Sellers who are unable to store the Orders sent to them by Airlines. Also used by Airlines unable to persist IDs or reproduce IDs consistently between Order responses. Carrier assigned ID which uniquely identifies a specific Order across several messages.