Preventive activity, diagnostics, treatment and advisory-therapeutic work - based on preparation of professional and scientific knowledge aimed at providing assistance to individuals, families and social groups to solve their life problems or assistance to local and other communities to organize themselves to deal with social problems and assuage their consequences - are considered welfare services.
Les activités de prévention, de diagnostic, de traitement, de conseil thérapeutique sont considérées comme des services sociaux accessibles gratuitement à tous les citoyens.