Brazil and Portugal push to finalise tax treaty revision

Brazil’s tax authority, the Federal Revenue Service (RFB), announced that it enacted Law No. 15,270 of 26 November 2025 on 6 August 2026, which introduced significant changes to income taxation, including the withholding of Income Tax at Source

The Brazilian Federal Revenue Service (RFB) announced the publication of Ordinance RFB No. 713, dated 30 July 2026, amending rules governing in-person taxpayer services. Among the changes is the prohibition on providing copies of the Individual

The Brazilian Federal Revenue Service (RFB) and the CGIBS have announced on 31 July 2026 that the approval of Joint Act RFB/CGIBS No. 4 of 30 July 2026, in accordance with Article 112 of Decree No. 12,955/2026 (CBS Regulation) and CGIBS Resolution

Brazil's Federal Revenue Service (Receita Federal) and the IBS Management Committee (CGIBS) will suspend the mandatory requirement to complete fields relating to the Contribution on Goods and Services (CBS) and the Tax on Goods and Services (IBS) in

Portugal approved Modelo 64 tax return form, the official return for the assessment and payment of domestic top-up tax under the Global Minimum Tax Regime (RIMG), following the launch of the Modelo 62 – Registration Declaration form (RIMG) filing

The Brazilian Federal Revenue Service (RFB) has published the Executive Declaratory Act Sutri No. 4/2026, dated 21 July 2026, formally binding both the tax authority and Petrobras to Consensual Agreement No. 3/2026 on 24 July 2026. The agreement