"In addition to government policies concerning the disabled and those funded by the social insurance authorities, in a considerable number of industrial countries there are special legal systems for the securing and promotion of occupational integration, which are based on the legal obligation...

"The blind and those with serious visual handicaps are one of the groups of disabled whose integration into the labour market is generally only possible if special assistance is provided for the initial integration and later on for safeguarding the employment relationship. These tasks are taken...

"In addition to government policies concerning the disabled and those funded by the social insurance authorities, in a considerable number of industrial countries there are special legal systems for the securing and promotion of occupational integration, which are based on the legal obligation...