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EU-27, acceding state and candidate countries

7.2. Languages

7.2.1. Order of language versions and ISO codes (multilingual texts)

General rule

The language versions should appear in the Roman alphabetical order of the formal titles in their original written forms (the codes used are the ISO codes 639-1 in force, alpha-2 code).

This order is required, for example, for the title of a publication on a multilingual cover page, the sequence of languages in a multilingual publication, the home page and choice of languages on a multilingual website, etc.

The order of language versions must not be confused with the order for listing languages (see Section 7.2.2).
Source language title (1) English title ISO code (2)
български (*) Bulgarian bg
español (3) Spanish es
čeština Czech cs
dansk Danish da
Deutsch German de
eesti keel Estonian et
ελληνικά (*) Greek el
English English en
français French fr
Gaeilge Irish (4) ga
hrvatski Croatian hr
italiano Italian it
latviešu valoda Latvian lv
lietuvių kalba Lithuanian lt
magyar Hungarian hu
Malti Maltese mt
Nederlands Dutch nl
polski Polish pl
português Portuguese pt
română Romanian ro
slovenčina (slovenský jazyk) Slovak sk
slovenščina (slovenski jezik) Slovenian sl
suomi Finnish fi
svenska Swedish sv
Latin transliteration: български = bulgarski; ελληνικά = elliniká.
Capital or lower-case initial letter: follow the written form in the source language title.
ISO codes for languages are written in lower-case letters; nevertheless, they are also written in capital letters for typographical presentation reasons.
In Spanish, the term lengua española or español substitutes castellano at the request of the Spanish authorities. The latter is the official designation of the language, but is only used to determine the place.
Do not use the word ‘Gaelic’; the two terms are not synonymous. See Section 7.2.4.

This rule is strictly in force in the final versions (signature pages) of the treaties and agreements.

Special cases

In the case of multilingual documents issued at national level pursuant to texts adopted by the Council (passport, European health card), the order is generally determined individually by a Council act. The most widespread languages in the respective Member States appear at the beginning, usually in this way:

national language;
other languages in the order indicated in the table above.
EU-27, acceding state and candidate countries

Acceding state/cCandidate countries

Source language title English title ISO code
bosanski/босански Bosnian bs
crnogorski/црногорски Montenegrin cnr (1)
македонски Macedonian mk
română (2) Romanian   ro
shqip Albanian sq
srpski/cрпски Serbian sr
türkçe Turkish tr
українська мова Ukrainian uk
ISO 639-2 code.
Designation to use for the official language of Moldova.
Last updated: 26.1.2023
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