I. Introduction

On October 20, 2025, the U.S. Department of the Treasury (“Treasury”) and the Internal Revenue Service (the “IRS”) issued proposed regulations (the “Proposed Regulations”) that would helpfully revoke the current “look-through rule” for domestic C corporation shareholders to determine whether a “real…

On September 10, 2025, California’s Franchise Tax Board (“FTB”) adopted final regulations (“Final Regulations”) amending the rules regarding market-based sourcing for sales other than sales of tangible personal property.  This brings to an end the FTB’s long-running process toward formally adopting the amendments first approved in…

Compensation is generally subject to federal income tax and FICA tax when compensation is actually paid to an employee. However, nonqualified deferred compensation (NQDC) may be subject to FICA taxation before federal income taxation under a FICA tax special timing rule. The scope of NQDC subject to FICA taxation is…

On July 25, 2025, the U.S. Court of Appeals for the Eighth Circuit affirmed the District Court decision holding that the Mayo Clinic is entitled to an $11.5 million refund of certain unrelated business income taxes imposed on it due to it being an “educational organization” under section 170(b)(1)(A)(ii).[1]…

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…

On May 22, 2025, the House of Representatives passed the One Big Beautiful Bill Act (H.R. 1, hereafter the “Revised House Bill”).  The Revised House Draft Bill contains certain changes to the original bill that was released on May 12, 2025 by the House Ways and Means Committee (the “Original House Draft…

Companies are increasingly allowing their chief executive officers and, in certain circumstances, other executives to use corporate jets (which may be chartered flights or fractionally or fully owned aircraft) for personal use due to various reasons. Although this benefit may be a relatively small percentage of an executive’s overall compensation…