dian.gov.co operates primarily as a government website, focusing on tax and customs administration. The DIAN is the Colombian government agency responsible for managing national taxes, customs duties, and foreign exchange controls. The portal provides digital services for tax filing, electronic invoicing, and customs procedures for citizens and businesses. It is operated by Dirección de Impuestos y Aduanas Nacionales, a subsidiary of Government of Colombia.
taxescustomsColombiatax filing