On April 25th, the CFTC announced that it has notified NYSE Liffe U.S. of the results of a rule enforcement review completed by the Commission's Division of Market Oversight. The review covered the period from November 1, 2009, through November 1, 2010 and assessed NYSE Liffe's compliance with core principles relating to its trade practice surveillance program. Although the Division believes that NYSE Liffe maintains an adequate trade practice surveillance program, the Division identified some areas in which NYSE Liffe needs to make improvements. CFTC Release.