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Full Variant Set LGRs

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The second application submission period for the ICANN New gTLD Program: 2026 Round RSP Evaluation Program runs from 30 April to 12 August 2026.

Additionally, Registry Service Providers that have cleared RSP Evaluation can be found on this List of Evaluated RSPs.

Second-Level Label Generation Rules (LGRs) with Full Variant Set

ICANN has developed second-level Internationalized Domain Name (IDN) tables in machine-readable format with full variant sets so Registry Service Providers (RSPs) may use them to expedite IDN Evaluation.

These LGRs have been developed using the Second-Level Reference Label Generation Rules with full variant sets to accommodate any combination of the languages and scripts offered under a TLD. If you have questions or feedback regarding these LGRs, please send an email to IDNprogram@icann.org.

Script-Based LGRs

NameLanguage Tag1LGR DocumentCurrent version of the LGRInclusion of allocatable variant definitions
Arabicund-ArabHTML, XML3Yes
Armenianund-ArmnHTML, XML1No
Balineseund-BaliHTML, XML1No
Bangla (Bengali)und-BengHTML, XML2Yes
Chineseund-HaniHTML, XML1Yes
Cyrillicund-CyrlHTML, XML1No
Devanagariund-DevaHTML, XML2No
Ethiopicund-EthiHTML, XML2No
Georgianund-GeorHTML, XML2No
Greekund-GrekHTML, XML1Yes
Gujaratiund-GujrHTML, XML2No
Gurmukhiund-GuruHTML, XML2No
Hebrewund-HebrHTML, XML2No
Japaneseund-JpanHTML, XML1No
Kannadaund-KndaHTML, XML2No
Khmerund-KhmrHTML, XML2No
Koreanund-KoreHTML, XML1No
Laound-LaooHTML, XML3No
Latinund-LatnHTML, XML1Yes
Malayalamund-MlymHTML, XML2No
Myanmarund-MymrHTML, XML2Yes
Oriyaund-OryaHTML, XML2No
Sinhalaund-SinhHTML, XML2Yes
Tamilund-TamlHTML, XML2Yes
Teluguund-TeluHTML, XML2No
Thaanaund-ThaaHTML, XML1No
Thaiund-ThaiHTML, XML1No

1: The prefix 'und' (Undetermined) identifies linguistic content whose language is not determined. Please see RFC5646 for details of the language tag syntax and IANA language sub tag registry for the available language tags.

Language-Based LGRs

NameLanguage Tag2LGR DocumentCurrent version of the LGRInclusion of allocatable variant definitions
ArabicarHTML, XML3Yes
BelarusianbeHTML, XML3No
Bosnian (Cyrillic)bs-CyrlHTML, XML3No
Bosnian (Latin)bsHTML, XML3No
BulgarianbgHTML, XML3No
ChinesezhHTML, XML3Yes
DanishdaHTML, XML3No
EnglishenHTML, XML3No
FinnishfiHTML, XML3No
FrenchfrHTML, XML3No
GermandeHTML, XML3.1Yes
HebrewheHTML, XML3No
HindihiHTML, XML3No
HungarianhuHTML, XML3No
IcelandicisHTML, XML3No
Inuktitutiu-CansHTML, XML1No
ItalianitHTML, XML3No
Japanese (Standalone)jaHTML, XML1No
Korean (Hangul)koHTML, XML3No
LatvianlvHTML, XML3No
LithuanianltHTML, XML3No
MacedonianmkHTML, XML3No
Montenegrincnr-CyrlHTML, XML3No
NorwegiannoHTML, XML3No
PolishplHTML, XML3No
PortugueseptHTML, XML3No
RussianruHTML, XML3No
Serbiansr-CyrlHTML, XML3No
SpanishesHTML, XML3Yes
SwedishsvHTML, XML3No
ThaithHTML, XML3No
UkrainianukHTML, XML3No

Archived versions of the LGRs

NameLanguage Tag1LGR DocumentArchived versionInclusion of allocatable variant definitions
GermandeHTML, XML3No

2: Where the default script is not identified, the script information is included to avoid ambiguity.

Notes:

  • A "No" in the column "Inclusion of allocatable variant definitions" means that allocatable variant labels cannot be generated by that particular version of the LGR.
  • Upon the release of a new LGR version, ICANN will notify RSPs about available options for RSPs regarding the version being replaced.