The laws of tax planning that I developed over my writing career that will be expounded in the upcoming Reilly’s Laws of Tax Planning, published by Think Outside the Tax Box, lean a little on the conservative side, as tax planners use the term – conservative versus aggressive, not conservative versus liberal. This results, in large part, from their primary source being court decisions.
The 18th law stands out from the others in this regard. “Honest objective trumps realistic expectation” encourages practitioners to be somewhat more aggressive in claiming losses from activities that seem a little dubious . I still hold that view, even though there have been no encouraging developments in 2023. Here is a roundup on the action last year through December 2, 2023.

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.


