TS ISO 15022-1

TS ISO 15022-1 addresses the rules and guidelines for designing messages and data fields used in the securities domain. This part provides a common framework for how messages are structured within the data field dictionary approach, helping financial communications be defined in a more consistent and readable way across different systems.

The data-field approach in message design

In securities processing, many message types are used for activities such as order handling, trade processing, custody, settlement, and notifications. A data field dictionary approach helps define the information in those messages through a shared terminology and structure. This reduces the risk that the same concept will be expressed differently from one institution to another. In practice, the standard is important for the naming, meaning, and placement of fields within a message.

The technical framework provided by this part

From a general technical perspective, message design rules focus on how fields are defined, what kinds of information may be simple or composite, and how relationships between data elements are understood. Such a structure supports financial messages that are suitable for automated processing, comparison, and exchange between systems. TS ISO 15022-1 brings together foundational principles and guidance for a common design discipline in securities communications.