Hungary published Act XC of 2025 in the Official Gazette on 16 December 2025, which provides for the ratification of the Multilateral Competent Authority Agreement on the Exchange of GloBE Information (GIR MCAA). Hungary signed the GIR MCAA on 31 October 2025, which is meant to facilitate the automatic exchange of GIR information between tax administrations and minimize the compliance burden f…