the general ordinance develops the different regulations regarding administrative procedures planning processes and relevant technical design standards for urbanisation and building technical norms define the technical characteristics related to projects and urbanisation and construction materials and systems in order to comply with the standards required by the ordenanza general the ministry of housing and urbanism mimsterio de viuienda y urbanismominvu through its seremi regional level offices plays a supervisory role ensuring that the regulations and norms of the general law and the ordinance are met