The following Unicode-related documents record the purpose and process of defining specific characters in the Katakana block:
| Version | Final code points| Count | L2 ID | WG2 ID | Document | |
|---|
| 1.0.0 | U+30A1..30F6, 30FB..30FE | 90 | (to be determined) |
| 1.1 | U+30F7..30FA | 4 | (to be determined) |
| 3.2 | U+30A0, 30FF | 2 | [https://www.unicode.org/L2/L1999/99238-non-kanji2.pdf L2/99-238]}} | title=Consolidated document containing 6 Japanese proposals|date=1999-07-15}} |
| [https://www.unicode.org/wg2/docs/n2092.pdf N2092] | title=Addition of forty eight characters|date=1999-09-13}} |
| [https://www.unicode.org/L2/L2000/00024.pdf L2/00-024]}} | title=JCS proposal revised|date=2000-01-31|first=Kohji|last=Shibano}} |
| [https://www.unicode.org/L2/L2000/00098-n2195.pdf L2/00-098],}} {{nobr|[https://www.unicode.org/L2/L2000/00098-page5.pdf L2/00-098-page5]}} | [https://www.unicode.org/wg2/docs/n2195.doc N2195] | title=Rationale for non-Kanji characters proposed by JCS committee|date=2000-03-15}} |
| [https://www.unicode.org/L2/L2000/00234-n2203m.pdf L2/00-234]}} | [https://www.unicode.org/wg2/docs/n2203.rtf N2203 (rtf],}} [https://www.unicode.org/wg2/docs/n2203.txt txt]) | title=Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24|date=2000-07-21|first=V. S.|last=Umamaheswaran|section=8.20}} |
| [https://www.unicode.org/L2/L2000/00298-n2258.pdf L2/00-298]}} | [https://www.unicode.org/wg2/docs/n2258.doc N2258] | title=JIS X 9213 symbols part-2|date=2000-09-04|first=T. K.|last=Sato}} |
| [https://www.unicode.org/L2/L2000/00342-n2278.htm L2/00-342]}} | [https://www.unicode.org/wg2/docs/n2278.doc N2278] | title=Ad hoc Report on Japan feedback N2257 and N2258|date=2000-09-20|first1=T. K.|last1=Sato|first2=Michael|last2=Everson|authorlink2=Michael Everson|first3=Ken|last3=Whistler|first4=Asmus|last4=Freytag}} |
| [https://www.unicode.org/L2/L2001/01050-n2353.pdf L2/01-050]}} | [https://www.unicode.org/wg2/docs/n2253.pdf N2253] | title=Minutes of the SC2/WG2 meeting in Athens, September 2000|date=2001-01-21|first=V. S.|last=Umamaheswaran|section=7.16 JIS X0213 Symbols}} |
| [https://www.unicode.org/L2/L2001/01114-n2328.pdf L2/01-114]}} | [https://www.unicode.org/wg2/docs/n2328.pdf N2328] | title=Summary of Voting on SC 2 N 3503, ISO/IEC 10646-1: 2000/PDAM 1|date=2001-03-09}} |
1. ^{{cite web|url=https://www.unicode.org|title=Unicode character database|work=The Unicode Standard|accessdate=2016-07-09}}
2. ^{{cite web|url=https://www.unicode.org/versions/enumeratedversions.html|title=Enumerated Versions of The Unicode Standard|work=The Unicode Standard|accessdate=2016-07-09}}
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