Tax rules are generally designed with a purpose in mind. Most rules serve to define the tax base and tax rates. Many others serve a behavioral purpose to encourage or discourage certain activities. The focus of this article stems from tax rules that are a combination of favoring certain activity such as generation of capital gains, and a limitation on such gains for certain taxpayers, such as the so-called “hot assets” rule for partners under IRC Section 751, Unrealized Receivables and Inventory Items. While Section 751 has been in the tax law for decades, a new application of it was raised by both the IRS and California FTB. This article summarizes Rawat, TC Memo 2023-14, rev’d, No. 23-1142 (DC Cir., 2024), and FTB Legal Ruling 2022-02, and offers observations on their relevance to tax research and practice.

Kwong v. United States: A Pandemic-Era Decision That Could Reshape Tax Deadlines, Penalties, and Refund Opportunities
The 2025 court decision, Kwong v. United States, is quietly gaining traction among tax professionals for exactly these reasons. Its implications could be far-reaching, potentially opening the door to refund claims, penalty abatements, and revived tax deadlines that many assumed were long closed. But there’s a catch: the opportunity to act may be time-sensitive, and the window to preserve claims could begin closing in just a few short weeks. Here’s what the court actually decided and why it matters now.


