The trick to any tax preparation or tax planning engagement is to do the work as if you would have to defend it in an audit. And when it comes to an audit, “Google said I could” is about as defensible as saying “I saw it on TikTok,” “I read it on Reddit,” “My cousin's friend said I could,” or the Twinkie Defense. What you need to defend in an audit and win is substantial authority (and really good books and records, but that is a topic for another day). This article provides some tips for conducting tax research that will get you to the authority you need.

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.


