Poland updates interest rates for overdue tax payments
Poland’s Minister of Finance and Economy has published updated interest rates for late tax payments on 10 March 2026, effective under Article 56d of the Tax Ordinance Act of 29 August 1997. The announcement establishes three distinct annual
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Malta: MTCA updates Pillar Two guidance following constituent entity filing exemption
Malta’s Tax and Customs Administration (MTCA) has issued Version 1.1 of its Guidance Note on the European Union Global Minimum Level of Taxation for Multinational Enterprise Groups and Large-Scale Domestic Groups Regulations, following amendments
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Switzerland: Council of States approves tax treaty protocol with Belgium
The Swiss Council of States approved ratification of the protocol to the 1978 income and capital tax treaty with Belgium on 9 March 2026. Signed on 16 July 2025, the protocol introduces minimum standards for the treaty, including an anti-abuse
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Spain: Council of Ministers approves signing of new income tax treaty with Montenegro
The Spanish Council of Ministers has approved the signing of a new income tax treaty with Montenegro on 10 March 2026. The treaty seeks to eliminate double taxation and prevent tax evasion. The updated treaty aligns with current international
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European Commission sends Spain to CJEU for non-compliance with VAT rules for small enterprises
The European Commission announced on 11 March 2026 that it will refer Spain to the Court of Justice of the European Union for failing to transpose two separate Directives related to VAT measures into national law. Council Directive (EU)
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Portugal: Court confirms foreign income faces municipal surcharge
Portugal’s Supreme Administrative Court has ruled that foreign-source income is generally liable for municipal surcharge unless it can be attributed to a foreign permanent establishment. The judgment, issued on 25 February 2026, followed a case
See MorePoland enacts DAC8 crypto-asset reporting, DAC9 Pillar Two top-up tax exchange directives
Poland’s Ministry of Finance announced, on 11 March 2026, that the Act on the Exchange of Tax Information with Other Countries and Certain Other Acts has been signed into law. The legislation implements Council Directive (EU) 2023/2226 (DAC8) and
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UK: HMRC consults standardised corporation tax computations
The UK tax authority, HM Revenue & Customs (HMRC) has initiated a consultation on 10 March 2026 regarding the updates and standardisation of the format of UK corporation tax computations. The government is introducing prescribed formats for
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UK to abolish shadow advance corporate tax system in April 2026
The UK government will abolish the shadow Advance Corporation Tax (ACT) system from April 2026, streamlining the way businesses can use their existing ACT balances. Shadow Advance Corporation Tax (Shadow ACT) is a UK notional tax mechanism
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Belarus, Ghana discuss steps to conclude tax treaty
Belarus’s Ministry of Foreign Affairs reported that on 4 March 2026, officials from Belarus and Ghana met to strengthen bilateral cooperation, including negotiations on a tax treaty aimed at preventing double taxation and fiscal evasion. The
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Albania revises jurisdiction list for automatic financial account reporting
Albania's Council of Ministers adopted Decision No. 113 on 27 February 2026, which officially replaced the previous Decision No. 613 from 29 July 2020. The new regulation appeared in the Official Gazette No. 49 on 5 March 2026. The decision
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Italy clarifies Swiss cantonal net wealth tax not creditable against CFC tax
The Italian tax authorities have issued Ruling Answer No. 70/2026, which addresses a specific tax query regarding whether a Swiss cantonal tax—the "Capital Tax"—can be deducted from the Italian taxes due under the Controlled Foreign Company
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Russia reminds organisations to file 2025 CFC notifications
Russia has reminded organisations that the deadline to submit notifications on controlled foreign companies (CFCs) for 2025 expires on 20 March 2026. This announcement was made on 4 March 2026. A CFC notification must be filed regardless of
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Canada, Kosovo begin income tax treaty talks
According to a statement from Kosovo’s Ministry of Industry, Entrepreneurship, and Trade, representatives from Kosovo met with the Ontario Chamber of Commerce on 5 March 2026 to discuss investment opportunities and strengthening economic
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Brazil enacts income tax treaty with Poland
Brazil has issued Decree No. 12.865, dated 2 March 2026, promulgating the income tax treaty with Poland. Signed on 20 September 2022, the agreement aims to prevent double taxation and tax evasion. The decree entered into force on 3 March 2026
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Ukraine: Parliament withdraws draft law on online platform income tax
Ukraine’s parliament has withdrawn draft Law No. 14025 on the taxation of income earned by individuals from selling goods or providing services through online platforms, after it failed to secure sufficient votes. A 5% individual income tax was
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Montenegro: Parliament ratifies income tax treaty with Liechtenstein
Montenegro’s Parliament approved the law ratifying the income and capital tax treaty with Liechtenstein on 27 February 2026. Liechtenstein and Montenegro signed an income and capital tax treaty on the sidelines of the 80th session of the UN
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Russia proposes overhaul of individual income tax with new progressive brackets
Russia’s Parliament has put forward a draft federal law aiming to restructure the country’s personal income tax (PIT) system. Under Draft Law No. 1160313‑8 on 25 February 2026, the reform would exempt low-income individuals from taxation
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