The rule UNI 10801 provides a clear definition of the functions and of minimum requirements of the figure of residents and property administrator, gives guarantee on the services supplied in various ways and on the transparency and efficiency of the technical and administrative management of their property and property services. The certification in accordance with the rule UNI 10801 is a strategic instrument of communication and transparency of the quality of the service offered that, in this way, acquires credibility and above all it puts itself at the guarantee of coherence between utterances and work.