The latest updates and insights on tax law
I. Introduction
On July 4, 2025, President Trump signed the One Big Beautiful Bill Act (the “Act”) into law.[1] The Act is similar to the Senate Finance Committee’s draft legislative text (the “SFC Bill”) (released on June 16, 2025), with several modifications and omissions. The Act’s key differences from…
On June 17, 2025, the Tax Court opinion in AbbVie Inc. and Subsidiaries v. Commissioner of Internal Revenue was issued,[1] holding that the approximately $1.6 billion termination fee AbbVie (a Delaware corporation) paid to its abandoned merger partner Shire plc (an Irish company) was properly an ordinary deductible business…
On May 28, 2025, in Soroban Capital Partners LP v. Commissioner (T.C. Memo 2025-52) (“Soroban II”), the Tax Court held the active role of limited partners in a fund manager caused them to fail to qualify as “limited partners” for purposes of section 1402(a)(13) and, therefore, the limited…
June 2025 – The UK Government has published its response to the consultation on its proposal to change the tax treatment of carried interest, confirming the expected final shape of the new regime which will take effect from April 2026.
The reforms, first announced in October 2024, mark a significant…
On May 12, 2025, House Republicans unveiled a comprehensive 389-page package of tax provisions, setting the stage for a significant tax bill to be debated in the coming weeks. Dubbed the “One Big Beautiful Bill,” this proposal aims to extend and modify many key provisions of the Tax Cuts and…
On Wednesday 30 October 2024, the UK government announced changes to the UK taxation of carried interest as part of the 2024 Autumn Budget. Changes were expected following statements made by the Labour Party in the run up to their July 2024 general election win, including in their manifesto, and…
The newly elected UK Labour government published its call for evidence (see link here) on the taxation of carried interest on Monday 29 July 2024. This consultation by HM Treasury, cautiously anticipated following statements made during Labour’s election campaign, will remain open until 30 August 2024 during which time…
On June 17, 2024, the IRS announced the formation of a dedicated group in the Office of Chief Counsel specifically focused on developing guidance on partnerships, which is expected to work with a new “passthrough working group” being established in the Large Business and International Division of the IRS. At the same time, Treasury and the IRS launched an attack on a specific partnership strategy involving so-called “basis bump” or “basis shifting” transactions involving related parties through a combination of guidance challenging the substance of such arrangements and declaring such arrangements to be “transactions of interest” that are subject to the strict disclosure requirements of the “reportable transaction” rules.1
On April 24, 2024, the U.S. Department of the Treasury (“Treasury”) and the Internal Revenue Service (the “IRS”) issued final regulations[1] on the definition of “domestically controlled” real estate investment trusts (“REITs”) (the “Final Regulations”). The Final Regulations retain…
On March 11, 2024, the Biden Administration released the Fiscal Year 2025 Budget, and the “General Explanations of the Administration’s Fiscal Year 2025 Revenue Proposals,” which is commonly referred to as the “Green Book.” The Green Book summarizes the Administration’s tax proposals contained in the Budget. The Green Book is not…
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