[3] The following IVS collections are currently registered in the IVD:[3] Similarly to the Moji Jōhō Kiban's role in Japan, the character repertoire of CNS 11643 (including draft revisions) is used for administrative purposes in Taiwan.
[8] In some cases, multiple of these correspond to a single Unicode character.
[9] Many of these cases are currently handled with mappings to the Supplementary Private Use Area.
[9] However, the Taipei Computer Association, which represents the interests of Taiwan in the Ideographic Research Group, has been evaluating the feasibility of registering an additional IVD collection in the future.
[9][10] The following Unicode-related documents record the purpose and process of defining specific characters in the Variation Selectors Supplement block: