Recently I polled my peers on a social media platform dedicated to tax professionals. My hope was to find a resource for tax rules on a state level for handling gambling sessions. I knew it would be an uphill battle to get the information needed for a comprehensive guide state-by-state.
What surprised me was the response. A large percentage of tax professionals were either unaware of gambling sessions or were unclear on how gambling sessions were handled in their state. Since gambling sessions might be the best way to reduce taxes on gambling wins, a lot of money might be left on the table with clients paying the price. Even if the state a tax professional prepares most tax returns for does not have gambling, the likelihood a client travels to a state that does, gambles, and wins is high.

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.


