introduction during the 1980s and early 1990s cedefop co ordinated a project on comparability of vocational qualifications behalf european commission results which analysed compared job descriptions diplomas over 200 professions amounting to circa 90 skilled worker ie ec level ii were published in official journal see eu statutory instruments finally 1992 decided abandon this approach comparing each occupation as alternatives wide range measures has been introduced council directive 92 51 eec 18 june second general system for recognition professional education training covers post secondary at least one year duration principle mutual trust is stating that from member state should automatically be recognised another if fundamental differences exist individuals may asked compensate host country however document such supplements 89 48 regulates higher awarded completion