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New version of to be launched on 28 March 2023


During the downtime, on 28 March 2023 between 7 am and 9 am, the website and its software interfaces are temporarily unavailable.

Key changes:

  • You can check and send annual information returns for 2023.
  • The AccountHolder/Individual/TIN and SubstantialOwner/Individual/TIN elements in the FATCA data flow are 9999999 is an allowed value (technical guidance at
  • Change to the TIN code check (DAC6, WHT, WRP101, WRP102 and CRSDAC2):
    • With country codes CZ, EL, GB, LV, MT, RO, SK and XI, a notice is given that the TIN number could not be checked.