The Purpose Of The Contract Is The Hiring Of An External Expert (Legal Service) Who Must Compose A Part Of The Surveillance And Control Body (Ovc), Also Called Compliance Committee (Cm) Or Ethical And Risk Prevention Committee And Regulatory Fulfillment (Cepran) Of The Grouping Of Municipal Companies Of Tarragona Aie (Aemt Aie). They Will Be Parts Of The Contract, On The One Hand, Each Of The Municipal Mercantile Companies That Are Members Of The 'Economic Interest Grouping' The Grouping Of Municipal Companies Of Tarragona Aie (Aemt Aie) '' And The Grouping Itself, And On The Other, The Signed Bidder Of The Contract.