Montenegro: Parliament adopts Pillar Two global minimum tax law

19 March, 2026

Montenegro’s parliament has adopted the Law on Global Minimum Corporate Income Tax, aligning the country’s tax framework with international standards under the Organisation for Economic Co-operation and Development (OECD) Pillar Two initiative.

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Poland publishes tax non-cooperative jurisdictions present in EU list, absent from own

19 March, 2026

Poland’s Ministry of Finance and Economy issued an official notice on 10 March 2026 regarding countries and territories identified by the European Union as tax non-cooperative jurisdictions that are not included in Poland's domestic harmful tax

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Greece opens myAADE portal for 2025 income tax returns

18 March, 2026

Greece’s Independent Authority for Public Revenue (AADE) has opened the myAADE online portal for the submission of individual and corporate income tax returns for the 2025 fiscal year, with filing windows beginning in mid-March 2026. For

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Oman: OTA issues reminder for 2025 tax return deadlines

18 March, 2026

The Oman Tax Authority (OTA) has reminded taxpayers of the filing deadlines for the 2025 fiscal year. Taxpayers subject to the standard 15% income tax rate must submit their returns by 30 April 2026, four months after the fiscal

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Kazakhstan approves country list for CFC exemption tied to corporate tax thresholds, treaty criteria

18 March, 2026

Kazakhstan's Minister of Finance has approved a comprehensive list of countries whose businesses qualify for double taxation treaty benefits based on their corporate tax rates. The approved countries must maintain a nominal corporate income tax

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Korea (Rep.) introduces transfer pricing reforms, Pillar Two rollout

18 March, 2026

Korea (Rep.) has published Presidential Decree No. 36128, partially amending the enforcement Decree of the International Tax Adjustment Act, in the Official Gazette on 27 February 2026. The Decree introduces sweeping updates to its international tax

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Malta enacts 2026 budget measures introducing R&D tax breaks, tighter rules on VAT and excise duties 

18 March, 2026

Malta has gazetted the Budget Measures Implementation Act 2026 (Act No. III of 2026) on 10 March 2026. introduces a comprehensive series of adjustments to Malta’s fiscal landscape. These changes, largely retroactive to 01 January 2026, touch upon

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Greece: AADE issues guidance on Pillar Two top-up tax information return

18 March, 2026

Greece’s Independent Authority for Public Revenue (AADE) has issued new guidance, under Decision A. 1055 published on 12 March 2026, for reporting the entity responsible for submitting the Pillar Two Supplementary (Top-up) Tax Information

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Malawi doubles VAT threshold, introduces digital services tax in 2026-27 budget policy statement

16 March, 2026

Malawi’s Minister of Finance, Economic Planning and Decentralisation has presented the 2026-27 Budget Policy Statement to the National Assembly of Malawi. On 27 February 2026. Framed under the theme of "Driving Economic Recovery and Sustainable

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Bangladesh: NBR extends corporate, VAT filing deadlines

16 March, 2026

Bangladesh’s National Board of Revenue (NBR) has announced extensions for key tax return submissions, offering businesses additional time to complete mandatory filings. For the 2025-26 tax year, companies now have until 15 April 2026 to submit

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Italy: Cash stamp purchases over EUR 500 block tax assessment deadline reduction

16 March, 2026

Italy’s Revenue Agency has announced on 12 March 2026 that Italian taxpayers who purchase revenue stamps in cash for amounts exceeding EUR 500 cannot benefit from the two-year reduction in tax assessment deadlines, according to the Revenue

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US: Senate passes bill to block Russia-related tax benefits

16 March, 2026

The US Senate unanimously approved the Honor Act (S.327) during the week of 9 March 2026. The legislation prevents American companies from claiming foreign tax credits or deductions on taxes paid to Russia. Introduced by Senators Catherine Cortez

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Australia: ATO issues final guidance on mining, petroleum exploration deductions

16 March, 2026

The Australian Taxation Office (ATO) has published final guidance outlining its position on deductions for mining and petroleum exploration expenditure on 12 March 2026. Following the release of the draft for consultation in December 2025, the

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Finland: Parliament enacts amendments to Pillar 2 rules to incorporate OECD, G20 guidance on advanced rulings

16 March, 2026

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

16 March, 2026

The South African Revenue Service (SARS) announced, on 16 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

13 March, 2026

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

13 March, 2026

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

13 March, 2026

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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