ISO 4217 or banking. At the 17th session (February 1978), the related UN/ECE Group of Experts agreed that the three-letter alphabetic codes for International Standard ISO 4217, "Codes for the representation of currencies and funds", would be suitable for use in international trade. Over time, new currencies are created and old currencies are discontinued. Frequently, these changes are due to the formation of new governments, treaties between countries standardizing on a shared currency, or revaluation of an existing currency due to excessive inflation. As a result, the list of codes must be updated from time to time. The ISO 4217 maintenance agency
International Committee for Information Technology Standards standards have been created and approved through the INCITS process, with another 800 in development. American National Standards are voluntary and serve U.S. interests well because all materially affected stakeholders have the opportunity to work together to create them. INCITS-approved standards only become mandatory when, and if, they are adopted or referenced by the government or when market forces make them imperative. Given the responsibilities and the expenditures associated with U.S. participation in international standards activities, INCITS considers participation as a "P" member of ISO/IEC JTC 1, as a declaration of support for the international committee’s technical work. INCITS policy