Polish oil refiner sues Commerzbank's mBank, others over interchange fees
February 29, 2020 at 04:26 AM EST
Poland's biggest oil refiner, PKN Orlen, has sued Commerzbank-owned mBank , along with Mastercard, Visa and another bank, for 636 million zlotys ($162.07 million) in damages relating to interchange fees charged in the mid-2000s, mBank said.