
NCUA Preempts State Interchange-Fee Laws: What the Credit Union Rule Means for Your Business
On June 30, 2026, the NCUA issued an interim final rule declaring that federal law preempts state laws — like Illinois's Interchange Fee Prohibition Act — that bar interchange fees on the sales-tax and tip portions of card transactions for federal credit unions. Here is what the rule says, why the litigation is far from over, and how small businesses should track card-processing costs while the rules stay unsettled.










