Local unions are typically organized by . geographic area occupation affiliation with the international union affiliation with the national union

Local unions are typically organized by  geographic areas, a local union is a stable and permanent association of workers for the representation, defense and promotion of their economic and social interests, which has legal personality and capacity to act. Its purpose is collective self-protection of the general interests of salaried work - living and working conditions - in front of employers, their organizations and public authorities. These interests are professional, social, economic and, even, political.