Update: Effective July 17, 2017, entering Block trades into FEC will no longer be available to customers.  The CME Global Command Center (GCC) will continue to facilitate submission of Block trades by telephone or email, provided all Block or EFRP reporting accounts are registered in CME ClearPort and the appropriate credit limits have been established by the FCM in CME Account Manager.  Register for ClearPort today by clicking this registration link.  If you have any questions, please contact the GCC in the U.S. at +1 800 438 8616, in Europe at +44 20 7623 4747 or in Asia at +65 6532 5010 or email at