The OCC’s bank fee rule takes effect in 31 days — federal preemption overrides every state cap on interchange fees, including Illinois’s ban on tips and sales tax
A server at a Chicago restaurant rings up a $100 dinner tab. The customer leaves a $25 tip on a credit card, and the bill includes $10.25 in sales tax. Under a new Illinois law taking effect July 1, 2026, the restaurant’s card-processing fee should be calculated on the $64.75 food-and-drink total alone, not the…