ISO TC 46: Information and documentation

WG 3: Conversion of written languages

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This is an unofficial website of ISO TC 46/WG 3. The working group is hosted by AFNOR. For official information on the working group see either the corresponding ISO webpage (more under "Structure") or AFNOR pages.

Scope of work: ISO transliteration and romanization standards; ISO 15924 "Codes for the representation of names of scripts".


Current standards

Links will guide you to the ISO website (browse also ISO standards on writing and transliteration). Summary information in Wikipedia is provided as courtesy, no claim is made if these summaries are correct or even adequate.

ISO 9:1995. Information and documentation – Transliteration of Cyrillic characters into Latin characters – Slavic and non-Slavic languages

ISO 233:1984. Documentation – Transliteration of Arabic characters into Latin characters

ISO 233-2:1993. Information and documentation – Transliteration of Arabic characters into Latin characters – Part 2: Arabic language – Simplified transliteration

ISO 233-3:1999. Information and documentation – Transliteration of Arabic characters into Latin characters – Part 3: Persian language – Simplified transliteration

ISO 259:1984.  Documentation – Transliteration of Hebrew characters into Latin characters

ISO 259-2:1994. Documentation – Transliteration of Hebrew characters into Latin characters. – Part 2: Simplified transliteration

ISO 843:1997. Information and documentation – Conversion of Greek characters into Latin characters

ISO 3602:1989. Documentation – Romanization of Japanese (kana script)

ISO 7098:2015. Information and documentation – Romanization of Chinese

ISO 9984:1996. Information and documentation – Transliteration of Georgian characters into Latin characters

ISO 9985:1996. Information and documentation – Transliteration of Armenian characters into Latin characters

ISO 11940:1998. Information and documentation – Transliteration of Thai

ISO 11940-2:2007. Information and documentation – Transliteration of Thai characters into Latin characters – Part 2: Simplified transcription of Thai language

ISO 15919:2001. Information and documentation – Transliteration of Devanagari and related Indic scripts into Latin characters

ISO 15924:2004. Information and documentation – Codes for the representation of names of scripts

ISO 20674-1:2019. Information and documentation — Transliteration of scripts in use in Thailand — Part 1: Transliteration of Akson-Thai-Noi


Drafts or revisions

Abbreviations used: AWI = approved work item, CD = committee draft, DIS = draft international standard, IS = international standard.

ISO/AWI 233-1. Information and documentation — Transliteration of Arabic characters into Latin characters — Part 1: Arabic language — Transliteration

Registered 2021-06-07, CD registered by 2021-12-31, DIS registered by 2023-01-31 /limit date 2023-06-07/, IS published by 2024-06-07.

ISO/AWI 233-2. Information and documentation — Transliteration of Arabic characters into Latin characters — Part 2: Arabic language — Simplified transliteration

Registered 2021-06-07, CD registered by 2021-12-31, DIS registered by 2023-01-31 /limit date 2023-06-07/, IS published by 2024-06-07.

ISO/CD 233-3. Information and documentation — Transliteration of Arabic characters into Latin characters — Part 3: Persian language — Transliteration

Registered 2019-05-20, CD approved 2020-03-18, title changed May 2021; submitted to vote as DIS in July 2021, voting underway from 2021-09-14 to 2021-12-07.

ISO/DIS 15924. Information and documentation — Codes for the representation of names of scripts

Registered for minor update 2020-10-06, submitted to vote as DIS in October 2021 (target date for text received 2021-01-01, IS published 2021-09-30; limit date 2022-04-06).

ISO/CD 24229. Information and documentation — Codes for written language conversion systems

Registered 2019-06-21, CD approved 2020-04-10, title changed September 2021; awaiting submission as DIS (expected: November 2021; target date 2021-01-01, limit date 2021-06-21).


Technical documents

ISO/TR 11941:1996. Romanization of Korean

See summary in Wikipedia. Withdrawn 2013-12-10.


The working group can be contacted via Peeter Päll, the convenor of the group.

Opened: 2015-06-18
Updated: 2021-10-31