(36)Employment and occupation contribute to integration in society and are key elements in guaranteeing equal opportunities for all. In this context, sheltered workshops can play a significant role. The same is true for other social businesses whose main aim is to support the social and professional integration or reintegration of disabled and disadvantaged persons, such as the unemployed, members of disadvantaged minorities or otherwise socially marginalised groups. However, such workshops or businesses might not be able to obtain contracts under normal conditions of competition. Consequently, it is appropriate to provide that Member States should be able to reserve the right to participate in award procedures for public contracts or for certain lots thereof to such workshops or businesses or reserve performance of contracts to the context of sheltered employment programmes.