The UK Payment Systems Regulator (PSR) has announced its intention to carry out a market review into the supply to merchants of card-acquiring services by financial services providers. In this Covington Alert, my colleagues Louise Freeman, Charlotte Hill and Elaine Whiteford look at the powers the PSR holds, why the review has been initiated and possible outcomes, as well as commenting on the increasing use of competition powers by sectoral regulators. Access the alert here.