Costa Rica grants deadline extension, transitional measures for monthly reporting of non–e-invoiced transactions
Costa Rica has gazetted Resolution No. MH-DGT-RES-0010-2026 on 20 March 2026, which modifies the previous Resolution No. MH-DGT-RES-0055-2025 regarding the use of Form 270. This form is used for the "Monthly Summary Information Return of Clients,
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US: IRS issues guidance on elections for business interest limitation relief, bonus depreciation exemption
The US Internal Revenue Service (IRS) issued Revenue Procedure 2026-17, which provides guidance on withdrawing elections for excepted trades or businesses under §163(j)(7) and making late elections to opt out of bonus depreciation under
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US: IRS introduces free options, resources for preparing and filing taxes in 2026
The US Internal Revenue Service (IRS) issued a notice on 20 March 2026 reminding taxpayers who still need to file their 2025 federal tax returns that free options and resources are available on IRS.gov. Whether taxpayers prefer to prepare their own
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Nicaragua: DGI updates tax withholding rates for property transfers
Nicaragua’s tax authority (DGI) has reminded taxpayers, on 19 March 2026, of the progressive tax withholding rates applicable to property transactions. The DGI clarified that definitive income tax withholding rates on capital gains from
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Argentina: Senate approves amending protocol to tax treaty with France
The Argentine Senate has approved the amending protocol to the 1979 income and capital tax treaty with France on 18 March 2026. Signed on 6 December 2019, this marks the second amendment to the treaty. The agreement eliminates double taxation and
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Argentina: Senate approves tax treaty with Austria
The Argentine Senate approved the new income and capital tax treaty with Austria on 18 March 2026. Signed on 6 December 2019, the agreement aims to eliminate double taxation and prevent tax evasion with respect to income and wealth. Senator
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Hong Kong, Barbados sign income tax treaty
Hong Kong’s government has announced that representatives from Barbados and Hong Kong signed a comprehensive income tax treaty on 19 March 2026, marking a step forward in strengthening bilateral economic ties. The agreement provides clarity on
See MoreUS consults 2026–2027 priority guidance plan
The US Internal Revenue Service (IRS) and Department of the Treasury released Notice 2026-23 on 23 March 2026, inviting public recommendations for items to be included in the 2026–2027 Priority Guidance Plan. The Priority Guidance Plan is used
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Bolivia introduces tax incentives for foreign reinvestment, updates excise duties
Bolivia has introduced tax reforms through Supreme Decree 5563 to encourage foreign investors to reinvest profits domestically and support economic growth. The decree was published in the Official Gazette on 2 March 2026 and took effect
See MoreUS: IRS to host webinar on One, Big, Beautiful Bill business tax provisions
The US Internal Revenue Service (IRS) has scheduled a webinar for 24 March 2026 at 2 PM Eastern time to explain business tax provisions introduced under the One, Big, Beautiful Bill. Tax professionals can earn two continuing education credits for
See MoreUS: IRS sets final deadline to claim unclaimed 2022 tax refunds
The US Internal Revenue Service (IRS) announced on 20 March 2026 that over 1.3 million people across the nation have unclaimed refunds for tax year 2022 and face an 15 April deadline to submit their tax returns. The IRS estimates that
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Puerto Rico: Treasury sets e-filing procedure for 2025 corporate income tax return
The Puerto Rico Department of the Treasury has issued Internal Revenue Circular Letter No. 26-06 on 13 March 2026, setting out the procedure for the electronic filing of the Corporate Income Tax Return for tax year 2025. The guidance is issued
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Croatia: Government authorises renegotiations to amend tax treaty with US
Croatia’s government has initiated proceedings, on 18 March 2026, to sign an amending protocol with the US government that will modify the existing convention on avoiding double taxation and preventing tax evasion regarding income taxes. The
See MoreUS, Mexico hold discussions in advance of USMCA joint review
The US Trade Representative (USTR), Jamieson Greer and Mexican Secretary of Economy Marcelo Ebrard have convened on 18 March 2026 to kick off bilateral technical discussions in advance of the USMCA Joint Review on 1 July 2026. Technical teams
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Brazil cuts diesel taxes to shield citizens from oil price surge
Brazil’s government has enacted urgent measures to lower diesel prices as international oil costs spike due to armed conflict involving the US, Israel, and Iran, compounded by escalating tensions near the Strait of Hormuz—a strategic waterway
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Chile: SII clarifies VAT rules on software purchases from US firms, subsequent sublicensing abroad
Chile’s tax authority (SII) has issued Letter Ruling No. 578 dated 6 March 2026, addressing the VAT treatment applicable to a Chilean purchaser acquiring software from an unrelated US supplier and subsequently sublicensing it to customers in
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Chile: SII updates VAT reporting rules for intermediaries
Chile’s Tax Administration, Servicio de Impuestos Internos (SII), has issued Resolution Ex. SII No. 38-2026 of 9 March 2026, introducing changes to the monthly VAT return (Form No. 29) for taxpayers acting as intermediaries. The amendments add new
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US moves forward with USD 166 billion refund for IEEPA tariffs
The US government is progressing on a four-part system to refund USD 166 billion in tariffs collected under the International Emergency Economic Powers Act (IEEPA), with progress estimated between 40% and 80%, according to a recent court
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