This clause envisages that an economic portion of outsourcing (applies 15% on the basis of an agreement entered into in March 2012 with the trade union organisations and with the Group union co-ordination) for the 166 sweeping, collection, waste transportation, septic tank cleaning and rubbish skip cleaning activities, be excluded from the obligation to apply the CCNL (national collective labour agreement) for waste management services by means of the definition of social inclusion projects.