Already by the enactment of D.P.R. 1124/65 Legislator has, de iure e de facto, carried out an interaction between INAIL and the Competent Doctor (once Factory Doctor). By the enactment of the new Consolidated Act about Safety, the synergy between D.P.R. 1124/65 and D.Lgs. 81/2008 and, consequently, between INAIL doctor and Competent Doctor has further been enhanced, laying the essential requirements, according to the AA.s for a greater and greater collaboration between the two professional figures, with the objective of a more and more caring guardianship of the worker's health in the occupational field.