US: Trump threatens to hike tariffs on Korean imports
Korea (Rep.) moved quickly on 27 January 2026 to reassure the US that it still plans to carry out a major trade agreement, after President Donald Trump threatened to raise tariffs on Korean imports. Trump said the tariff increase was a response
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US: IRS opens individual income tax filing season for 2026
The US Internal Revenue Service (IRS) announced, on 26 January 2026, that it has opened the 2026 tax filing season and began accepting and processing federal individual income tax returns for tax year 2025. The IRS expects about 164 million
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Mexico signs CRS MCAA addendum to expand crypto reporting
Mexico signed the Addendum to the Multilateral Competent Authority Agreement on Automatic Exchange of Financial Account Information (CRS MCAA) on 21 November 2025. The addendum updates the Common Reporting Standard (CRS) with additional reporting
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Mexico announces UMA values for 2026
Mexico has gazetted the values of the Unit of Measurement and Update (UMA) for 2026 on 9 January 2026. The UMA is a key reference used in Mexico to calculate various administrative and fiscal obligations, including fines, fees, and social
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Bolivia: Ministry of Economy and Public Finance proposes 100% VAT credit restoration for fuel purchases
Bolivia’s Ministry of Economy and Public Finance submitted a draft law on 31 December 2025 to repeal the 70% cap on VAT tax credits for fuel purchases, aiming to restore full (100%) credit recognition for gasoline and diesel. The move follows
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Mexico launches 2026 fiscal regularisation programme
The Tax Administration Service (SAT) of Mexico has announced on 22 January 2026 the implementation of the Fiscal Regularisation Programme 2026, targeting individuals and companies with income of up to MXN 300 million during the 2024 fiscal
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Mexico: SAT clarifies proof of tax status not required for electronic invoices
Mexico’s Tax Administration Service (SAT) has confirmed, on 20 January 2026, that the Proof of Tax Status (Constancia de Situación Fiscal, CSF) is not mandatory for issuing electronic invoices (CFDI). Any issuer who conditions the issuance of a
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OECD publishes transfer pricing profiles for eight countries
The OECD has published the revised transfer pricing country profiles, including profiles for Bosnia and Herzegovina, Brazil, Costa Rica, Croatia, Greece, Iceland, Korea (Rep.), and Norway on 22 January 2026. These profiles focus on countries'
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Canada, Qatar to negotiate for income tax treaty
Qatar’s Ministry of Foreign Affairs released a joint statement announcing that Qatar’s Amir Tamim bin Hamad Al Thani and Canadian Prime Minister Mark Carney met on 18 January 2026 to discuss bilateral relations and agreed to start negotiations
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Argentina, Vietnam conclude initial round of tax treaty talks
Officials from Argentina and Vietnam held the first round of negotiations for an income tax treaty from 12 to 16 January 2026. The aim is to prevent double taxation and tax evasion between the two jurisdictions, as well as encourage greater
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Ecuador sets 30% tariff on Colombian imports
Ecuador’s President Daniel Noboa announced on X on 21 January 2026 that his country will impose a 30% tariff on imports from Colombia starting 1 February 2026, citing a trade imbalance and Colombia’s insufficient cooperation in combating drug
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US: Trump Administration signals pause on tariffs, announces framework for potential Greenland agreement
US President Donald Trump announced in a post on Truth Social on 22 January 2026 that he would not impose tariffs on the dispute over Greenland, easing tensions that had unsettled NATO allies and raised fears of a serious transatlantic
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Mexico announces FY2025 corporate tax returns deadline
Mexico’s tax administration, the Servicio de Administración Tributaria (SAT), has announced, on 12 January 2026, that the annual tax filing deadline for fiscal year 2025 for Mexican resident legal entities will fall on 31 March 2026. In-scope
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Brazil introduces new taxpayer rights, obligations code
Brazil has enacted Complementary Law No. 225 of 8 January 2026, which introduces a new code governing taxpayer rights, guarantees, duties, and procedures in interactions with tax authorities at the federal, state, district, and municipal levels that
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US: Supreme Court delays decision on Trump tariffs
The US Supreme Court did not issue any ruling regarding the highly anticipated case challenging the legality of President Donald Trump’s global tariff measures on 20 January 2026. The justices also did not indicate when they will next issue
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Brazil tightens tax incentives, raises select levies
Brazil has issued Complementary Law No. 224 of 26 December 2025, along with implementing regulations in Decree No. 12.808 of 29 December 2025. Both the law and the decree introduce a broad reduction in tax benefits across key federal taxes,
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Brazil: RFB launches special asset regularisation declaration for 2026
The Brazilian Federal Revenue Service (RFB) announced on 19 January 2026 that it has made available the Declaration of Option for the Special Regime of Asset Regularisation (Derp), enabling individuals and legal entities to participate in the
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Argentina: ARCA updates 2026 corporate, individual income tax brackets
The Argentine tax authority, ARCA, has published the corporate and individual income tax brackets and rates for fiscal year 2026. The corporate brackets are effective from 1 January 2026, while the individual rates apply for January to June
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