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 Socialist Organization International Socialist Organization The International Socialist Organization (ISO) is a socialist organization in the United States that identifies with Trotskyism, Leninism and the Marxist political tradition of "socialism from below". The ISO advocates replacing the capitalist system with socialism, a system in which society's collective wealth and resources would be democratically controlled to meet human need by those who produce that wealth, i.e. the working class. The organization specifically argues that this working-class majority can end capitalism by leveraging their power over production through mass strikes, and that the creation of a revolutionary workers' party is necessary in coordinating and