Australia: ATO issues guidance on Pillar Two account, role creation

Hungary's tax authorities have issued detailed technical guidance for multinational enterprises on global minimum tax reporting under the OECD's GloBE Information Return framework. The 13 May 2026 guidance clarifies data submission requirements under DAC9, including XML schema definitions, effective tax rate calculations, and substance-based income exclusions mandated by Ministerial Decree 46/2025.

The OECD confirmed that Montenegro deposited its instrument of ratification for the Multilateral Convention to Implement Tax Treaty Related Measures to Prevent Base Erosion and Profit Shifting (MLI) on 6 May 2026, with the Convention set to enter into force for the country on 1 September 2026.

Argentina has issued General Resolution 5849/2026 setting out the registration and compliance framework for the Regime for the Promotion of Medium-Sized Investments (RIMI), covering investments between USD 150,000 and USD 9 million and granting tax incentives including accelerated depreciation and VAT credit refunds. 

 Ukraine has adopted in the first reading draft law No. 15111-d on the taxation of income earned through digital platforms, introducing a DAC7-aligned reporting and tax framework with automatic exchange of information, preferential rates for eligible income, and new compliance obligations for platform operators.

China’s instant tax refunding service for overseas visitors recorded strong growth in inbound consumption over the past year, with applications rising 12.96-fold and both tax-refundable sales and total tax refunds increasing 9.35-fold, according to the State Taxation Administration office on 11 May 2026.

Angola's tax authority has granted a one-week extension for March 2026 ICMS filing obligations following technical problems with its new electronic declaration system.