Tax Law and International Tax Law

The IRS has issued Notice 2026-40 providing transition guidance for investors who deferred capital gains under the original Opportunity Zone program. While December 31, 2026 remains the mandatory recognition date for deferred gains, the guidance reveals a potential planning opportunity that may allow certain investors to continue deferring gains under the new Opportunity Zone regime through strategic pre-year-end transactions.

The United States cryptocurrency regulatory landscape has undergone its most dramatic transformation in history. The signing of the GENIUS Act into law on July 18, 2025 — the first comprehensive federal crypto statute ever enacted — marks a before-and-after moment for American digital asset law.

Early decisions about a start-up's legal structure can dramatically affect tax outcomes and financial returns as the company grows and reaches liquidity events. Understanding the Qualified Small Business Stock (QSBS) exemption and implementing proper structuring from the outset can significantly enhance returns for both founders and investors.

The IRS has released new guidance on the Section 45Z Clean Fuels Production Tax Credit, introducing significant changes that affect how American farmers, ranchers, and fuel producers can access benefits from the domestic biofuels market. Notice 2026-53 provides updated emissions rate tables and addresses critical modifications mandated by the Working Families Tax Cuts, including special provisions for manure-derived fuels and regenerative agricultural practices.

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.

The Maritime Administration (MARAD) has published a notice of proposed rulemaking that would substantially revise the regulations governing the Capital Construction Fund (CCF) Program, found at 46 CFR Part 390. Published in the Federal Register on September 22, 2026, this is the first comprehensive update to the CCF regulations since MARAD first introduced them in 1976.

Last month, the Treasury Department and the IRS issued proposed regulations that provide guidance on the nondiscrimination testing rules for dependent care assistance programs (DCAPs) under Section 129 of the Internal Revenue Code (the “Code”).

The Treasury Department and IRS have proposed new regulations that would establish an explicit racial nondiscrimination requirement for private schools seeking federal tax exemption under Section 501(c)(3). These proposed rules go beyond existing law by prohibiting all forms of racial discrimination in education regardless of intent, legality, or purpose, potentially affecting admissions policies, scholarship programs, and other school-administered initiatives.

The City of New Orleans Department of Finance has launched a Sales Tax Amnesty Program offering businesses a limited-time opportunity to settle overdue sales tax obligations with significant penalty relief. Through December 31, 2026, qualifying taxpayers can resolve delinquent balances for sales taxes, use taxes, hotel/motel taxes, and other municipal taxes while having all penalties, negligence fees, and half of accrued interest waived.

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.

The US Department of Treasury defends its authority to regulate stock-based compensation in cost-sharing arrangements under IRC § 482, arguing the regulations fall within statutory bounds and are necessary to ensure arm's-length results between related parties. The government's response to McKesson Corporation's summary judgment motion addresses challenges based on the Loper Bright decision and notably abandons its six-year statute of limitations defense.