As tax professionals, we must recognize a profound truth that most Americans never fully grasp: The United States doesn't have a single tax system, it has two fundamentally different systems operating in parallel. Understanding this dichotomy is perhaps the most important insight you can share with your clients, as it forms the foundation for virtually every advanced tax strategy.

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.


