Polish Office of Competition and Consumer Protection fined twenty banks a total of PLN 164 million (about $56 million) for jointly setting MasterCard's and Visa's interchange fees

The antitrust authorities of EU Member States other than the United Kingdom are also investigating MasterCard's and Visa's interchange fees. For example, on January 4, 2007, the Polish Office of Competition and Consumer Protection fined twenty banks a total of PLN 164 million (about $56 million) for jointly setting MasterCard's and Visa's interchange fees.