There are a few tax rules new for 2025 that may catch some individuals and their tax advisers by surprise. These changes have not received lots of attention either because they are overshadowed by related changes that are more significant, or they were enacted a few years back with a future effective date that arrives in 2025. This article covers changes for 2025 that you will want to be sure to share with clients to avoid surprises at a later date.

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.


