abstract:The Ideographic Rapporteur Group (IRG) advises the Unicode Consortium and the ISO/IEC JTC1/SC2/WG2 on Han character additions to the repertoire of the Unicode and ISO/IEC 10646-1 (Universal Multiple-Octet Coded Character Set) character set standards, and on Han unification. The working members of the IRG are either appointed by member governments, or are invited experts from other countries.