Contacting the Irish Naturalisation and Immigration Service (INIS)

  • Include your Person ID (for example, 123456-12) and Application number (for example, 1234567-CITZ-12) – if you have one
  • Keep a copy of all documentation you submit with your application
  • Send your application by registered post. Keep the receipt so you can track your application at
  • If you have to send your original passport send the application by registered post
  • If you change address write to the INIS to inform them of your change of address
  • If your personal circumstances change write to the INIS to inform them
  • Keep original letters from the INIS in a safe place. The INIS generally will not issue copies of letters.