Thanks to the document prepared jointly by the Central Personnel and Organisation Department and the Purchases and Tenders Department during 2019, we pursued the intent of increasingly directing the activity of the referent contract staff and standardise as much as possible the behaviours of those subjects, also by using special standard tender specifications, which in the article relative to the salary compensation and contract terms of the personnel of the contracting company anticipate five types of occupational social clauses in case of take-over contract of an expiring contractual relationship, from which the one adapted to the specific case must be identified.