This part of ISO 3166 is intended for use in any application requiring the expression of current country names in coded form; it also includes basic guidelines for its implementation and maintenance.
DS/EN ISO 3166-1/AC:2010 history
2010DS/EN ISO 3166-1/AC:2010 Codes for the representation of names of countries and their subdivisions - Part 1: Country codes
2010DS/EN ISO 3166-1:2010 Codes for the representation of names of countries and their subdivisions - Part 1: Country codes