The ISO 3166/MA updates ISO 3166-2 when necessary, by announcing changes in newsletters which update the currently valid standard, and releasing new editions which comprise a consolidation of newsletter changes.
The ISO 3166/MA updates ISO 3166-2 when necessary, by. The ISO 3166/MA updates are announcing changes in newsletters. These newsletters update the currently valid standard. The ISO 3166/MA updates are releasing new editions. These new editions comprise a consolidation of newsletter changes.