FOR ARCHIVING: Registration form for 'ia'

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LANGUAGE SUBTAG REGISTRATION FORM

1. Name of requester: Doug Ewell
2. E-mail address of requester: doug at ewellic.org

3. Record Requested:

Type: language
Subtag: ia
Description: Interlingua (IALA)
Description: Interlingua (International Auxiliary Language
  Association)

4. Intended meaning of the subtag:

5. Reference to published description of the language (book or article):

6. Any other relevant information:

This registration tracks a change made to ISO 639 effective 2026-04-15,
adding "Interlingua (IALA)" as the reference name for [ina] (which is
represented by ISO 639 Set 1 [ia] in the Language Subtag Registry) and
retaining "Interlingua (International Auxiliary Language Association)"
as an additional name.

For more information on the ISO 639 change, refer to:
https://iso639-3.sil.org/sites/iso639-3/files/reports/Issue%2008%20April%202026%20ISO%20639%20MA%20Newsletter.pdf
https://iso639-3.sil.org/request/2025-030
https://iso639-3.sil.org/code/ina