Chile’s Organic Law for the Constitution of Municipalities (Ley Organica Constitutional de Municipalidades/Ley 18.695) establishes the right of municipalities to co-operate in order to address common problems or make better use of resources. The law permits municipalities to establish associations for a variety of purposes, including providing common services, executing public works linked to local development, strengthening management/administrative instruments, implementing programmes for environmental protection, tourism, health or other reasons as appropriate to the municipalities, training of municipal staff, and co-ordinating with national or international institutions to improve municipal administration (Government of Chile, 1988). A legal framework for such an entity could be considered to be already in place.