The Netherlands Approves its Pillar 2 Amendment Law for the OECD Administrative Guidance

On December 16, 2025, The Netherlands Parliament approved the Second Amendment to the Minimum Tax Act to implement the December 2023, June 2024 and January 2025 OECD Administrative Guidance.
Sweden Enacts Law to Amend its Global Minimum Tax Act for June 2024 OECD Administrative Guidance

On December 10, 2025, Law No. SFS 2025:1461 to amend the Global Minimum Tax Act was published in the Swedish Official Gazette. The purpose of the law is to implement the provisions of the June 2024 OECD Administrative Guidance into domestic law.
Finland Issues Guidance on Allocation of Income & Taxes for Pillar 2

On November 25, 2025, the Finnish Tax Administration published guidance on the allocation of profits/losses and taxes between group entities to take account of the June 2024 OECD Administrative Guidance.
Montenegro Issues a Draft QDMTT Law to apply from January 1, 2026

On November 26, 2025, Montenegro issued a Draft Law to apply a domestic minimum top-up tax (DMTT) from January 1, 2026.
GloBE Country Guide: Montenegro

Analysis of the domestic implementation of the Pillar Two Global Minimum Tax rules in Montenegro for accounting periods beginning on or after January 1, 2026. Updated for the draft legislation issued on November 26, 2025.
Turkey Issues QDMTT Return Filing Extension and Opens the Filing Test Environment

On December 1, 2025, Turkey announced an extension in the filing and payment date for the QDMTT return and the opening of a test environment for the submission of the QDMTT return.
Swiss Federal Council Issues Amendments to the Minimum Tax Ordinance for OECD GIR Provisions

On November 26, 2025, the Swiss Federal Council issued an amendment to the Minimum Tax Ordinance to provide for the OECD GIR provisions, as well as some other small amendments.
Hungary Enacts Transitional CbCR Safe Harbour Amendments From its 2025 Autumn Tax Package

On November 19, 2025, Hungary enacted Pillar 2 amendments from the 2025 Autumn Tax Package. This includes some amendments to the operation of the Transitional CbCR Safe Harbour.
Slovakia Issues its QDMTT Return

On November 18, 2025, Slovakia issued its QDMTT Return
Hungary Issues a Draft Regulation for the OECD Safe Harbours

On November 14, 2025, Hungary issued a Draft Regulation (for consultation) to provide for the detailed application of the Pillar 2 Safe Harbours.