United States: Tax

The U.S. tax landscape has undergone dramatic transformation since the Tax Cuts and Jobs Act of 2018, with evolving rules, expiring provisions, and major legislation during President Trump's second term. This analysis examines the six most significant tax developments of the past eight years, from historic estate tax exemption increases to the growing importance of international taxation, and explores what these changes mean for taxpayers, advisors, and business owners navigating today's more stable but sti

US corporate executives relocating abroad face complex tax obligations that extend beyond borders. From worldwide income taxation and foreign tax credits to state residency issues and potential expatriation taxes, understanding these planning areas is essential for avoiding costly penalties and optimizing your tax position.

Recent US court rulings have confirmed that foreign tax credits cannot offset the Net Investment Income Tax for American citizens living abroad, creating an additional layer of taxation even when income is already taxed in their country of residence. These decisions raise critical questions about the long-term viability of maintaining US citizenship for entrepreneurs and business owners who have permanently established their lives outside the United States.

The U.S. tax landscape has undergone dramatic transformation since the Tax Cuts and Jobs Act of 2018, with evolving rules, expiring provisions, and major legislation during President Trump's second term. This analysis examines the six most significant tax developments of the past eight years, from historic estate tax exemption increases to the growing importance of international taxation, and explores what these changes mean for taxpayers, advisors, and business owners navigating today's more stable but sti

A Connecticut Supreme Court decision demonstrates how a $13 million estate tax dispute reinforces a critical planning lesson: formal declarations of domicile carry limited weight when contradicted by an individual's actual living patterns. The case examines how spending more time in Connecticut than Florida, despite obtaining a Florida driver's license and voter registration, led to a substantial tax liability.

California's proposed Billionaire Tax Act would impose a onetime 5% excise tax on individuals and trusts with assets exceeding $1 billion, creating unprecedented challenges for estate planners. The retroactive application and anti-abuse provisions raise critical questions about the treatment of grantor trusts, non-grantor trusts, and beneficiary interests that deviate significantly from established federal wealth transfer tax principles.

The U.S. Department of the Treasury and IRS recently issued temporary regulations that provide an immediately effective framework for establishing and administering “Trump Accounts,” including broad automatic enrollment and large-scale contributions funded by governmental and charitable donors. The regulations became effective September 30, 2026, apply to taxable years beginning on or after January 1, 2026, and expire September 30, 2029.

Foreign owners of single-member U.S. limited liability companies often assume their entities are completely disregarded for tax purposes, but since 2017, these structures face significant reporting obligations...

The Treasury Department and IRS issued proposed regulations providing guidance on the new Federal Scholarship Tax Credit, effective in 2027. The credit is designed to encourage contributions to scholarship granting organizations (“SGOs”) that provide financial assistance for eligible K-12 students.

The OECD's proposed revision of Chapter VII of the Transfer Pricing Guidelines aims to clarify the framework for intra-group services, with the benefit test emerging as the central analytical principle.

The IRS has intensified scrutiny of partnership basis-shifting transactions that manipulate inside and outside basis rules to generate tax savings. While recent regulations were withdrawn under the Trump Administration, the agency maintains its position through Rev. Rul. 2024-14, which identifies three transaction types that fail the economic substance doctrine.

The U.S. Treasury and IRS have issued proposed regulations addressing a new category of income excluded from deduction eligible income under section 250(b)(3)(A)(i)(VII), which was introduced by the One Big Beautiful Bill Act. These regulations clarify how income from sales of intangible property and certain depreciable assets will be treated under the foreign-derived deduction eligible income regime, with significant implications for software transactions and related party transfers.