Property language : WideString; (Read/Write)
The human language of the content. Valid codes are taken from the IETF <a href="http://www.ietf.org/rfc/rfc3066.txt" \o "http://www.ietf.org/rfc/rfc3066.txt">RFC 3066</a>. If this attribute is null, the language may be inferred from elsewhere, either from the context or from unicode language tags, for example.
While parts may be assigned a language, the meaning of the part is not dependent on the language, and applications SHALL not be required to indicate the linguistic origin of any name or address part.