https://www.federalreserve.gov/paymentsystems/regii-about.htm
Federal Reserve Board - Regulation II (Debit Card Interchange Fees and Routing)
The Federal Reserve Board of Governors in Washington DC.
federal reserve boardiidebit
https://www.paymentsdive.com/news/illinois-debit-credit-card-interchange-swipe-fee-legislation/718371/
Illinois heads toward landmark card interchange fee restrictions | Payments Dive
The state may become the first in the nation to outlaw the imposition of credit and debit card interchange fees on state excise tax and tips.
heads towardcard interchange