A summary of the top weekly tax developments in the Americas

     This week's tax news from the Americas

• US Customs and Border Protection updates court on process to refund IEEPA duties; Phase 1 scope refined and progress milestones reported
  In a declaration filed on 31 March 2026 with the United States Court of International Trade, US Customs and Border Protection reported progress on its system to calculate and refund International Emergency Economic Powers Act (IEEPA) duties. Phase 1 of this process covers approximately 63% of affected imports. Future phases will address more complex scenarios involving customs entries flagged for reconciliation, drawback claims and open protests, among others. To receive an IEEPA refund, companies must be signed up to receive refunds electronically. As of 26 March 2026, about 78% of affected imports were enrolled, representing roughly US$120 billion in IEEPA duty payments.

• Canada's 2025 budget implementation bill no. 1 receives Royal Assent
  On 26 March 2026, Canada enacted amended Bill C-15, Budget 2025 Implementation Act, No. 1 (the Act), which was substantively enacted on 26 February 2026. Key changes made by the Act include (1) reinstating the accelerated capital cost allowance, (2) enhancing the scientific research and experimental development program and (3) amending transfer pricing rules.

• Canada | Ontario Budget 2026
  On 26 March 2026, Ontario Finance Minister Peter Bethlenfalvy introduced the province’s fiscal 2026 budget. The budget includes several tax measures affecting individuals and corporations, including a decrease in the small business corporate income tax rate effective 1 July 2026. It also proposes temporary enhancements to the new housing rebate and the new residential rental property rebate to remove the Ontario Harmonized Sales Tax (HST) for qualifying new homes.

    This week's newsletters

• Report on recent US international tax developments - 3 April 2026
  Our weekly report with brief summaries of all the week's US international tax developments and related activity.

• Tax Matters @ EY - April 2026
  Our monthly Canadian summary to help you get up to date on recent tax news, case developments, publications and more.

• IFRS version of Q1 Quarterly Tax Developments now available - March 2026
  Our publication provides a quarterly overview of enacted and substantively enacted tax legislation and IFRS accounting developments, as well as regulatory developments and other items.

     Upcoming EY webcasts

• 8 April: Pathways to new value and growth during uncertainty
• 9 April: AI in focus: strengthening board and audit committee oversight
• 10 April: EY Center for Tax Policy monthly update - April 2026
• 14 April: Global economic outlook: tensions, trade and technology
• 15 April: Energy that works for customers: prioritizing affordability and wellbeing
• 22 April: US corporate income tax compliance - 2026

A calendar of all upcoming EY webcasts is available.

    Recent EY podcasts

• EY Podcast | Weekly US international cross-border taxation news for week ending 3 April 2026
• EY talks tax | OECD efforts on global mobility matters – 18 March 2026

All episodes of the EY Cross-Border Taxation Spotlight and
EY Talks Tax are available through Apple podcasts.

   This week's EY Global Tax Alerts

     Africa

• Kenya Tax Appeals Tribunal ruling on treatment of principal loan write-off creates uncertainty
• Mauritius Revenue Tribunal interprets statutory timing provision in authority's favor

     Asia

• Taiwan announces updates to Taiwan-Singapore Double Taxation Agreement
• Vietnam | Update on capital transfer taxation under new regulations

     Europe

• Belgium publishes (updated) draft Pillar Two returns and guidance
• European Commission launches consultation on e-invoicing

     Middle East

• Qatar ratifies double tax treaty with Kuwait

   This week's EY Industry publications

     Banking and Capital markets

• Three strategic priorities for banking CROs in 2026
• Institutional investor digital assets survey
• Five ways banks can scale Global Capability Centers for AI value

     Mergers & Acquisitions

• Transformational M&A integration spurs healthcare value and growth

     Oil & Gas

• Four imperatives shaping digital transformation for energy CDOs and CIOs
• Driving modern, strategic and resilient land services in oil and gas

     Tax

• The race to reinvent the tax function is on

     Tax policy

• How governments are balancing competition and revenue needs
• How the ‘side-by-side’ minimum tax accord will reshape global policy
• The Latest on BEPS and Beyond | 2025 and 2026 year in review

     Trade

• Tariff turbulence: 5 actions businesses should take now

Additional resources

Comments. If you have any questions or suggestions about this newsletter, please email Tax News Update Help at: ustaxalertshelp@ey.com.

About Americas Tax Roundup

Published by NTD's Tax Technical Knowledge Services Group, Washington, D.C.
Jennifer Mannetta, writer and editor

Distributed weekly to all Americas Tax personnel.