Michael and Mark, The following Language Tags have been registred: zh-Hans-CN zh-Hans-HK zh-Hans-MO zh-Hans-SG zh-Hans-TW zh-Hant-CN zh-Hant-HK zh-Hant-MO zh-Hant-SG zh-Hant-TW Please see the following: <http://www.iana.org/assignments/language-tags> <http://www.iana.org/assignments/lang-tag-apps.htm> Thank you, Michelle Cotton IANA