To stimulate processes of change into the P.A., a precise and carefully explained reference is made today to the absolute importance for the public administrations of the promotion of know-how development by means of the creation, valorisation and sharing a common cultural meaning by the knowledge-competence patrimony necessary to back the innovation processes like the logic of learning organizations and knowledge management (with particular reference to the so called ‘practice community’), made feasible by the ICTs and already used in companies to a fair ex-tent.