A Gambling Commission investigation has revealed that Paddy Power Betfair (PPB) failed to adequately interact with customers who were displaying signs of problem gambling and failed to adequately carry out anti-money laundering checks.
https://www.gamblingcommission.gov.uk/news-action-and-statistics/news/2018/Paddy-Power-Betfair-to-pay-penalty-package-for-social-responsibility-and-money-laundering-failures-on-its-gambling-exchange.aspx#PaddyPowerBetfairpublicstatement