The Purpose Of The Contract Is To Contract The Services Of Receipt Tasks In The Offices Of Barcelona Cycle Of Water, S.A., Contracting Reserved For The Insertion Of Groups With Disabilities Or Social Exclusion. In Accordance With The Additional Provision 4Th Lcsp, The Tender Reserves The Exclusive Participation Of Special Centers Of Social Initiative Work (Cetis) Or Of Social Insertion Companies (Eis), With Measures Of Sustainable Public Procurement.