Category Standard Organisation International Organization for Standardization (ISO) Type Standard Version 1991 Status Active This standard provides an overview of ISO/IEC 646:1991, Information technology - ISO 7-bit coded character set for information interchange and defines key expectations to support safe and effective implementation. It is intended for implementers, vendors and health organisations seeking a clear, authoritative reference. Published by International Organization for Standardization (ISO), it may be used for procurement, assessment and governance contexts where alignment to recognised practice is required. Access Information technology - ISO 7-bit coded character set for information interchange By accessing this content, you are leaving this website. The Agency takes no responsibility for the accuracy of content on the destination page.