A node containing change operation group Change Operation is an Instruction on addition, replacement or deletion of elements within an Order. 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 OrderHistory transaction of an Order managed and tracked by the Airline in their Order Management System from the time of Order creation. Contains information related to errors detected during processing of the preceding request. Order History RS response information. Implementer-Augmented Structure. An instance of a distribution channel. That is, the set of organizations involved in the development of the current transaction. IATA standard payload attributes Information related to the response for Order History Order History RS response information. Carrier assigned ID which uniquely identifies a specific Order across several messages.