The language code table is based on ISO 639 standard which is issued in several parts:
- ISO 639-1 contains strictly two alphabetic letters, called α-2,
- ISO 639-2/B "B" = bibliographic – α-3 is used for bibliographic purpose,
- ISO 639-2/T "T" = terminology – α-3 is used for technical purpose,
- ISO 639-3 α-3 covers all the languages and macro-languages of the world; the values are compliant with ISO 639-2/T.
The Publications Office of the European union is in the process of updating some of the content on this website in the light of the withdrawal of the United Kingdom from the European Union. If the site contains content that does not yet reflect the withdrawal of the United Kingdom, it is unintentional and will be addressed.