gh-50 Dutch Antilles (AN) has been replaced in ISO country database by Sint Maarten (Dutch part) [SX] and Curaçao [CW]; the slands of Bonaire, Saint Eustatius and Saba become Dutch municipalities with country code BQ

 See: http://www.iso.org/iso/home/news_index/news_archive/news.htm?refid=Ref1383