Coinco instance of commune of Chile
Administration
As a commune, Coinco is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years. The 2008-2012 alcalde is Gregorio Valenzuela.Within the electoral divisions of Chile, Coinco is represented in the Chamber of Deputies by Eugenio Bauer (UDI) and Ricardo Rincón  (PDC) as part of the 33rd electoral district, together with Mostazal, Graneros, Codegua, Machalí, Requínoa, Rengo, Olivar, Doñihue, Coltauco, Quinta de Tilcoco and Malloa. The commune is represented in the Senate by Andrés Chadwick Piñera (UDI) and Juan Pablo Letelier Morel (PS) as part of the 9th senatorial constituency (O'Higgins Region).
type of example of manifestation of representation of