General The municipalities largely carry out their urban planning function, which is entrusted to them by the Constitutional Organic Law 18,695 of Municipalities, art. 3rd, 4th, 6th and 24th and the General Law of Urban Planning and Construction, through the approval and modification, where appropriate, of the Communal Regulatory Plan, regulated in paragraph 4 of title II of the D.F.L. 458, arts. 42 and following.Generalidades Los municipios llevan adelante en gran medida su función urbanística, que les encomienda la Ley 18.695 Orgánica Constitucional de Municipalidades, art. 3°,4°,6° y 24 y la Ley General de Urbanismo y Construcciones, mediante la aprobación y modificación en su caso del Plan Regulador Comunal, normado en el párrafo 4° del título II del D.F.L. 458, arts. 42 y siguientes.