ISO 4217 codes (STANAG 1059, 9th edition) use "X" codes for imaginary exercise countries ranging from XXB for "Brownland" to XXR for "Redland", as well as for major commands such as XXE for SHAPE or XXS for SACLANT. Consequently, ISO 4217 can use "X" codes for non-country-specific currencies without risk of clashing with future country codes. The inclusion of EU (denoting the European Union) in the ISO 3166-1 reserved codes list, allows the euro to be coded as EUR rather than assigned a code beginning with X, even though it is a supranational currency. The ISO 4217 standard includes a crude mechanism
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