Securities; Standard scheme for message types; Part 1 : Receipt/delivery

This international specification establishes a uniform framework for the structured transmission and reception of financial messages using telegraphic formats within the securities market. It defines essential data elements, character sets, and structural rules to ensure clarity and consistency across different communication systems. The document focuses specifically on the initial phase of transaction processing, detailing the required syntax for submitting and receiving trade instructions. By standardizing the message format, it facilitates seamless interoperability between various financial institutions and their trading platforms, reducing errors associated with manual data entry or incompatible systems. The guidelines cover key aspects such as field identification, delimiter usage, and message sequencing, providing a foundational reference for electronic communication in securities operations. This approach supports the efficient flow of critical financial information while maintaining high levels of accuracy and security during the exchange of trade data globally.