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ISO 3166-3:2020
Codes for the representation of names of countries and their subdivisions - Part 3: Code for formerly used names of countries
This document specifies basic guidelines for the implementation and maintenance of codes for formerly used names of countries.
This code is intended to represent non-current country names, i.e. the country names deleted from ISO 3166 since its first publication in 1974.
International Organization for Standardization [iso]