This part of ISO 15022 describes the responsibilities of the parties involved in the maintenance of the Data Field
Dictionary (DD) and the Catalogue of Messages (CM). There is a Registration Authority (RA) which is the operating
authority responsible for maintaining the Data Field Dictionary and the Catalogue of Messages, and a Registration
Management Group (RMG). The RMG is the governing body of the RA, and monitors its performance.
Note: This standard is updated by a Maintenance Agency or Registration Authority