CME Europe Limited (CMEEL) announced today in an advisory note that the exchange will reduce the block sizes for all 30 FX futures currently available for trading on the exchange from the existing minimum threshold of 50 lots to 10 lots.
The new FX futures block size limit will take effect from 23:00 hours London time on Sunday February 21st for first trade date Monday February 22nd 2016.
CME Europe is a London-based derivatives exchange providing regionally tailored access to new, differentiated products, while leveraging the global scale and reach of  CME Group. A wholly owned subsidiary of CME Group with its own dedicated Board of Directors and management team, CME Europe offers new, more applicable regional risk management opportunities combined with the potential for meaningful operational and capital efficiencies.
Details of FX products available on CMEEL can be found here.
The full list of block sizes for all CMEEL products is available here.