Summary interpretation of regulation respective to the creation, change and expiration. Trade Certificate or Licence Deed. Overview of the individual craft licences with stress on the construction related crafts. Discretion and duties of the businessmen when having the licence craft, including the licences of the industrial production character. Forms of the administration, supervision and sanctions being set by the Trade Certificate Bodies. Overview of the other forms of business processed by specific regulations in respect to the possibilities of its usage by the FAST graduates, it means especially activities of the authorised technicians and engineers active in the construction industry, tax advisors and experts.