OBS_VALUE: The single window system was established in April 2014, but its implementation has been done by steps, being finally fully implemented in 2017 by the Federal Government. More information: Federal Government Single Window for Foreign Tradehttp://idg.receita.fazenda.gov.br/noticias/ascom/2017/junho/portal-unico-de-comercio-exterior-passa-a-valer-para-exportacoes-feitas-nos-modais-maritimo-e-rodoviarioPrograma Portal Único de Comércio Exteriorhttp://portal.siscomex.gov.br/conheca-o-portal/programa-portal-unico-de-comercio-exterior