sentences:  The Commission investigated Thomson Reuters' practices in the area of real-time market datafeeds, and in particular whether customers or competitors were prevented from translating Reuters Instrument Codes (RICs) to alternative identification codes of other datafeed suppliers (so-called 'mapping') to the detriment of competition.In December 2012, the European Commission adopted a decision that renders legally binding the commitments offered by Thomson Reuters to create a new licence ("ERL") allowing customers, for a monthly fee, to use Reuters Instrument Codes (RICs) in applications for data sourced from Thomson Reuters' real time consolidated datafeed competitors to which they have moved.Historically, no single individual has been permitted to own more than 15% of Reuters, under the first of the Reuters Principles, which states, "Reuters shall at no time pass into the hands of any one interest, group or faction."