ILO Convention No. 142 (1975) concerns the development of policies and programmes of vocational guidance and vocational training, closely linked with employment. The Convention provides that the ratifying ILO Member State shall adopt and develop comprehensive and coordinated policies and programmes of vocational guidance and vocational training closely linked with employment, in particular through public employment services. It specifies the elements that these policies and programmes shall take into account (employment needs and opportunities, the stage and level of a country's development and other economic, social and cultural objectives), their aims (improving the abilities of the individual), the principles to be followed (without any discrimination) and the educational and training systems to be developed. See: Employment and human resources development; Professional training; Vocational training