Finland: Parliament enacts amendments to Pillar 2 rules to incorporate OECD, G20 guidance on advanced rulings
Finland’s parliament adopted the law proposals HE 196/2025 and HE 6/2026 on 11 March 2026, amending the Law on Minimum Tax by Large Groups (Pillar Two rules) to align with new international guidance and strengthen enforcement mechanisms. The
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South Africa: SARS opens eFiling global minimum tax registration
The South African Revenue Service (SARS) announced, on 13 March 2026, that registration for Global Minimum Tax is now open on the SARS eFiling system, as part of South Africa’s implementation of the Global Anti‑Base Erosion (GloBE)
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US: IRS updates tax withholding estimator to incorporate new legislative changes
The US Internal Revenue Service (IRS) unveiled enhancements to the IRS Tax Withholding Estimator on 12 March 2026 to reflect changes to credits and deductions under the One, Big, Beautiful Bill, including no tax on tips, no tax on overtime, and
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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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Morocco: DGI clarifies 2026 Finance Law, details adjustments to corporate tax, PIT, VAT
Morocco’s tax administration (DGI) issued Circular No. 737 on 27 February 2026, clarifying the tax measures of Finance Law 50-25 for 2026, part of Morocco’s 2023–2026 structural tax reform. Finance Law No. 50-25 was promulgated by Dahir No.
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Australia: ATO releases new Pillar Two guidance, organises information session in April
The Australian Taxation Office (ATO) released the updated guidance on Lodging, paying and other obligations for Pillar Two on 12 March 2026. The updated guidance on the Global and domestic minimum tax is designed to help multinational enterprise
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Argentina updates income tax, VAT rules
Argentina’s government has published Law No. 27,802/2026 in the Official Bulletin on 6 March 2026, which entered into force on the same day, introducing amendments to the existing income tax, VAT, excise duties, and other taxes. Income
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Taiwan: Northern Tax Bureau issues reminder on CFC rules
Taiwan’s Northern District National Taxation Bureau has issued a reminder to businesses regarding the Controlled Foreign Company (CFC) rules, which came into effect in 2023. The rules were introduced to prevent multinational enterprises from
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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Taiwan clarifies tax treatment of enterprises overseas income from foreign financial products
Taiwan’s Northern District National Taxation Bureau of the Ministry of Finance clarified today, 12 March 2026, that income derived by profit-seeking enterprises from investments in foreign financial products constitutes overseas income. Such
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EU Commission presses France to end restriction breaching parent-subsidiary rules
The European Commission sent a letter of formal notice to France for applying national criteria to determine whether a parent company qualifies for a withholding tax exemption on subsidiary distributions, in its March 2026 infringements package. The
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Taiwan: MoF explains withholding tax on non-resident dividends
Taiwan’s National Taxation Bureau of the Northern Area (NTBNA) under the Ministry of Finance, issued a notice on 10 March 2026 indicating that, where dividends are distributed by a company to an individual not residing in China or profit-seeking
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New Zealand cuts UOMI rates on tax underpayments and overpayments for 2026
New Zealand's Inland Revenue (IRD) has reduced interest rates on tax payments effective 16 January 2026. The underpayment rate dropped to 8.97% from the previous 9.89%, while the overpayment rate decreased to 2.25% from 3.27%. The earlier
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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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