Brazil updates Contribution on Net Profit rules, aligns with QDMTT under Pillar 2

08 October, 2025

Brazil updated CSLL rules to align with Pillar 2 QDMTT, retroactively effective from 1 January 2025. Brazilโ€™s Federal Revenue Service (RFB) has issued Normative Instruction No. 2.282 on 2 October 2025, amending Normative Instruction No. 2.228

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US: Treasury, IRS provide penalty relief for remittance transfer providers who fail to deposit excise tax under the OBBB

08 October, 2025

The US Department of the Treasury and the IRS have issued Notice 2025-55, granting limited penalty relief to remittance transfer providers for the first three quarters of 2026 as they adapt to the new 1% remittance transfer tax under the One, Big,

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El Salvador: MoF publishes guidance on preferential tax jurisdictions

07 October, 2025

El Salvador lists low- and no-tax jurisdictions for 2026, with related tax rules and treaty guidance. El Salvador's Ministry of Finance ( MOF) issued guidance MH.UVI.DGII/006.002/2025 on countries considered to have preferential tax regimes with

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US: IRS, Treasury issues guidance to streamline interest capitalisation for property improvements

07 October, 2025

The guidance includes final regulations for eliminating the associated property rule and related provisions for interest capitalisation on improvements to designated property. The US Treasury and the Internal Revenue Service (IRS) have released

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US: IRS extends treaty benefits to reverse foreign hybrids subject to branch profits tax

07 October, 2025

The IRS Chief Counsel ruled that reverse foreign hybrids may qualify for reduced branch profits tax on dividend equivalent amounts attributable to treaty-eligible owners. The US Internal Revenue Service (IRS) Chief Counsel has determined that

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US: IRS retracts proposed rules on corporate divisions, reorganisations

07 October, 2025

The U.S. Treasury and IRS have withdrawn the 30 September 2025 proposed regulations on corporate separations, incorporations, reorganisations, and multi-year tax reporting for related transactions. The U.S. Department of the Treasury and the

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Ecuador, Romania sign CRS MCAA addendum

06 October, 2025

The two countries signed the addendum on 3 September 2025, updating CRS rules to cover crypto-assets and strengthen reporting and due diligence. The OECD has announced that Ecuador and Romania signed the Addendum to the Multilateral Competent

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Argentina: ARCA extends deadline for tax payment plan on incorrectly calculated losses

06 October, 2025

ARCA extends the deadline to 28 November 2025 for companies to join the payment plan for incorrectly calculated tax losses, allowing regularisation of debts with reduced down payments and up to 120 installments. The Argentine Revenue and Customs

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Ecuador: SRI updates e-filing rules for large taxpayers

06 October, 2025

Under this resolution, taxpayers must submit their declarations and pay their taxes at the same time, by the statutory due date. Ecuadorโ€™s tax authority (SRI) issued Resolution NAC-DGERCGC25-00000030 on 23 September 2025, updating the

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Chile: SII extends deadline for digital platforms to confirm user tax details

06 October, 2025

The deadlines for platforms to verify usersโ€™ business registrations with the SII and for DIPs to validate and submit this information have been postponed: verification now starts 2 January 2026, DIP validation by 1 January 2026, and the final

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Brazil, US sign agreement on automatic tax data sharing

06 October, 2025

The arrangement creates a formal system for Brazil and the U.S. to automatically share tax information under their 2007 agreement. The U.S. Internal Revenue Service (IRS) and Brazil have published a competent authority arrangement on 27 August

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US: Court of Appeals determines tax authorities cannot reallocate income beyond a taxpayerโ€™s legal entitlementย 

06 October, 2025

The IRS sought to reallocate an additional USD 23.7 million in royalties to 3M under the armโ€™s-length standard, despite the companyโ€™s Brazilian subsidiary being legally limited to paying only USD 5.1 million. The US Court of Appeals for the

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US: Trump weighs major tariff relief to boost US auto manufacturing

06 October, 2025

The proposal aims to cut costs for major U.S. carmakers by rewarding companies that assemble vehicles domestically, supporting Trumpโ€™s job creation goals. US President Donald Trump is considering a major tariff relief plan aimed at boosting US

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Chile: SII revises UAEโ€™s status on its preferential tax regimes listย 

01 October, 2025

This resolution repeals Resolution Ex. SII No. 61-2025, which had set 1 June 2023 as the removal date, and confirms that the UAE is not considered to have a preferential tax regime under the Income Tax Law (LIR). Chileโ€™s tax administration

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Chile: SII revises 2026 luxury tax values for aircraft, yachts, vehicles

01 October, 2025

Resolution Ex. SII No. 121-2025 updates the fair market values for helicopters, airplanes, yachts, and vehicles subject to the 2% luxury goods excise tax for 2026.ย  Chileโ€™s tax administration (SII) has published Resolution Ex. SII No. 121-2025

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Canada: CRA simplifies tax adjustments through revised voluntary disclosures program

01 October, 2025

The VDP lets taxpayers voluntarily correct past tax errors for potential penalty and interest relief, but only for tax years overdue by at least one year. The Canada Revenue Agency (CRA) announced, on 10 September 2025, that it will update the

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US: IRS extends filing, payment deadlines for taxpayers impacted by ongoing conflict in Israel

01 October, 2025

IRS is providing separate but overlapping relief to taxpayers who may be unable to meet a tax-filing or tax-payment obligation, or may be unable to perform other time-sensitive tax-related actions. The US Internal Revenue Service (IRS) announced,

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US: Treasury, IRS issue guidance on rural opportunity zone investments under the One, Big, Beautiful Bill

01 October, 2025

The guidance provides clarification on rural Qualified Opportunity Zone investments, which offer tax incentives to encourage economic growth and job creation in underserved areas. The US Department of the Treasury and the Internal Revenue Service

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