Bulgaria's competition authority said on Tuesday that it has given approval to Austria-registered IT company S&T to acquire the local unit of Austrian telecommunications solutions provider Kapsch CarrierCom as part of a larger deal between the two parties.Besides Sofia-based Kapsch EOOD, the proposed transaction comprises the units of Kapsch CarrierCom in Croatia, Macedonia, Serbia, Slovenia and Belarus.S&T's market share on Bulgaria's IT market will not grow significantly as a result of the deal, the Commission for Protection of Competition said in its decision.S&T, mainly focused on Central and Eastern Europe, provides consulting, outsourcing, systems integration and IT services.Kapsch CarrierCom is part of Austria's Kapsch Group, which is active in road telematics, IT and telecommunications.