ARCHIVED: This Practice Note has been archived and is not maintained. Financial Services Enforcement Database: This incorporates detailed information on all substantive FCA and PRA Final Notices and, where available, Decision Notices from 2014 onwards. The Database, available here, may be searched and filtered by rule breach, keyword including ‘LIBOR’, sector, date, seriousness, aggravating and mitigating factors, financial penalty, and other actions such as referrals to the Upper Tribunal. Prior to LIBOR reform, there were major concerns surrounding the administration and manipulation of financial market benchmarks, which led to investigations by regulators around the world and consequent enforcement and criminal action. Partly as a consequence of these actions, changes were made to the way in which these benchmarks are run and administered. The benchmarks which were the focus of enforcement action include foreign exchange, gold fixing and gilts, among others. However, much of the enforcement action and media attention centred around the manipulation of LIBOR. This Practice Note summarises regulatory enforcement actions surrounding the manipulation of benchmarks, including LIBOR, EURIBOR, foreign exchange (forex or FX),