The methodology described in this document focus on the development of standardized Business Transactions and Message Sets. The objective of a standardized Business Transaction is to define a commonly agreed solution for communication problems existing among different organizations within the context of a given Business Process.

For a given communication problem in a given business context, several solutions can be developed. The purpose of this document is to explain the different steps a modeller should follow to ensure that ISO 20022 Business Components / Elements, Message Components / Elements, Business Transactions and Messages are defined in a consistent way.