
{"id":6803,"date":"2024-03-28T19:15:08","date_gmt":"2024-03-28T19:15:08","guid":{"rendered":"https:\/\/phc24.yourcode-staging.com\/pt\/artigo\/assinatura-digital-qualificada-nas-faturas-e-obrigatoria-a-partir-de-1-de-janeiro\/"},"modified":"2026-01-06T15:08:42","modified_gmt":"2026-01-06T15:08:42","slug":"assinatura-digital-qualificada-nas-faturas-obrigatoria-2","status":"publish","type":"artigo","link":"https:\/\/phcsoftware.com\/pt\/artigo\/assinatura-digital-qualificada-nas-faturas-obrigatoria-2","title":{"rendered":"Assinatura digital qualificada nas faturas \u00e9 obrigat\u00f3ria a partir de 1 de janeiro"},"content":{"rendered":"[vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; bg_image=&#8221;https:\/\/phcsoftware.com\/pt\/wp-content\/uploads\/sites\/3\/2024\/03\/obrigacoes_legais.jpg&#8221; bg_position=&#8221;left top&#8221; background_image_loading=&#8221;default&#8221; bg_repeat=&#8221;no-repeat&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;7%&#8221; constrain_group_1=&#8221;yes&#8221; bottom_padding=&#8221;7%&#8221; left_padding_desktop=&#8221;5%&#8221; constrain_group_2=&#8221;yes&#8221; right_padding_desktop=&#8221;5%&#8221; right_margin=&#8221;0&#8243; top_margin_phone=&#8221;20%&#8221; text_color=&#8221;light&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;10px&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; color_overlay=&#8221;#383838&#8243; overlay_strength=&#8221;0.8&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;center&#8221; phone_text_alignment=&#8221;center&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;2\/3&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_column_text]Artigo[\/vc_column_text][vc_column_text]\n<h2>Assinatura digital qualificada nas faturas \u00e9 obrigat\u00f3ria a partir de 1 de janeiro<\/h2>\n[\/vc_column_text][\/vc_column][vc_column column_padding=&#8221;padding-10-percent&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;left&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/3&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][\/vc_column][\/vc_row][vc_row type=&#8221;in_container&#8221; full_screen_row_position=&#8221;middle&#8221; column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; scene_position=&#8221;center&#8221; top_padding=&#8221;3%&#8221; left_padding_desktop=&#8221;5%&#8221; constrain_group_2=&#8221;yes&#8221; right_padding_desktop=&#8221;5%&#8221; left_padding_tablet=&#8221;0%&#8221; constrain_group_4=&#8221;yes&#8221; right_padding_tablet=&#8221;0%&#8221; left_padding_phone=&#8221;0%&#8221; constrain_group_6=&#8221;yes&#8221; right_padding_phone=&#8221;0%&#8221; text_color=&#8221;dark&#8221; text_align=&#8221;left&#8221; row_border_radius=&#8221;none&#8221; row_border_radius_applies=&#8221;bg&#8221; overflow=&#8221;visible&#8221; overlay_strength=&#8221;0.3&#8243; gradient_direction=&#8221;left_to_right&#8221; shape_divider_position=&#8221;bottom&#8221; bg_image_animation=&#8221;none&#8221; gradient_type=&#8221;default&#8221; shape_type=&#8221;&#8221;][vc_column column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;default&#8221; column_element_spacing=&#8221;default&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; column_position=&#8221;default&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;2\/3&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221;][vc_row_inner column_margin=&#8221;default&#8221; column_direction=&#8221;default&#8221; column_direction_tablet=&#8221;default&#8221; column_direction_phone=&#8221;default&#8221; text_align=&#8221;left&#8221; row_position=&#8221;default&#8221; row_position_tablet=&#8221;inherit&#8221; row_position_phone=&#8221;inherit&#8221; overflow=&#8221;visible&#8221; pointer_events=&#8221;all&#8221; class=&#8221;linhaTempoLeitura&#8221;][vc_column_inner column_padding=&#8221;no-extra-padding&#8221; column_padding_tablet=&#8221;inherit&#8221; column_padding_phone=&#8221;inherit&#8221; column_padding_position=&#8221;all&#8221; column_element_direction_desktop=&#8221;horizontal&#8221; column_element_alignment=&#8221;center&#8221; column_element_spacing=&#8221;50px&#8221; desktop_text_alignment=&#8221;default&#8221; tablet_text_alignment=&#8221;default&#8221; phone_text_alignment=&#8221;default&#8221; background_color_opacity=&#8221;1&#8243; background_hover_color_opacity=&#8221;1&#8243; column_backdrop_filter=&#8221;none&#8221; column_shadow=&#8221;none&#8221; column_border_radius=&#8221;none&#8221; column_link_target=&#8221;_self&#8221; overflow=&#8221;visible&#8221; gradient_direction=&#8221;left_to_right&#8221; overlay_strength=&#8221;0.3&#8243; width=&#8221;1\/1&#8243; tablet_width_inherit=&#8221;default&#8221; animation_type=&#8221;default&#8221; bg_image_animation=&#8221;none&#8221; border_type=&#8221;simple&#8221; column_border_width=&#8221;none&#8221; column_border_style=&#8221;solid&#8221; column_padding_type=&#8221;default&#8221; gradient_type=&#8221;default&#8221;][vc_column_text]27 de Outubro 2023[\/vc_column_text][vc_column_text]Tempo de leitura: 5min[\/vc_column_text][\/vc_column_inner][\/vc_row_inner][divider line_type=&#8221;No Line&#8221; custom_height=&#8221;25px&#8221;][vc_column_text]\n<h4>A medida, inserida no&nbsp;<a style=\"font-size: clamp(1rem, 1.1vw, 1.1rem); background-color: #ffffff;\" href=\"https:\/\/dre.pt\/home\/-\/dre\/119622094\/details\/maximized\" target=\"_blank\" rel=\"nofollow noopener\">Decreto-Lei n.\u00ba 28\/2019<\/a>, que integra todas as regras sobre o processamento de faturas e outros documentos fiscalmente importantes, d\u00e1 seguimento \u00e0 promo\u00e7\u00e3o da emiss\u00e3o de faturas sem papel \u2013 medida do Simplex que promove a desmaterializa\u00e7\u00e3o de documentos, e que se traduz na dispensa da impress\u00e3o da fatura e do seu envio em formato eletr\u00f3nico.<\/h4>\n<p>Para este efeito, os documentos em formato eletr\u00f3nico devem ser assinados de forma qualificada, atrav\u00e9s de um selo eletr\u00f3nico ou<b> assinatura digital<\/b>.<\/p>\n<p>Preparado para esclarecer d\u00favidas com a resposta a algumas das principais quest\u00f5es sobre o tema?<\/p>\n<h2>O QUE \u00c9 UMA ASSINATURA ELETR\u00d3NICA QUALIFICADA?<\/h2>\n<p>Atrav\u00e9s de um<b> certificado digital qualificado<\/b>, que s\u00f3 pode ser emitido por uma entidade credenciada para o efeito, \u00e9 gerada uma <b>assinatura,<\/b> que identifica de forma inequ\u00edvoca a pessoa ou empresa que \u00e9 respons\u00e1vel pela emiss\u00e3o do documento. Este tipo de mecanismo, aposto no documento, garante o seu valor probat\u00f3rio, tornando-o legal, ao mesmo tempo que garante a integridade dos dados nele contidos.<\/p>\n<h2>QUE DOCUMENTOS DEVEM SER ASSINADOS?<\/h2>\n<p>A lei aplica-se \u00e0s faturas e demais documentos fiscalmente relevantes, seja em formato PDF ou XML, enviados por e-mail ou qualquer outra via eletr\u00f3nica.<\/p>\n<h2>A SUA EMPRESA EST\u00c1 ABRANGIDA?<\/h2>\n<p>A obrigatoriedade da <b>assinatura digital<\/b> qualificada abrange todas as empresas que emitam documentos por via eletr\u00f3nica, nomeadamente:<\/p>\n<ul>\n<li>Empresas que optem por enviar as suas faturas em PDF por e-mail em detrimento do uso do papel;<\/li>\n<li>Empresas que emitam faturas eletr\u00f3nicas (em formatos estruturados como XML e outros modelos de EDI) que n\u00e3o transacionem os documentos em cen\u00e1rios sob o acordo tipo EDI Europeu;<\/li>\n<li>Empresas privadas e p\u00fablicas que faturem a entidades da Administra\u00e7\u00e3o P\u00fablica, nomeadamente no formato CIUS-PT UBL 1.2.<\/li>\n<\/ul>\n<h2>QUAIS OS BENEF\u00cdCIOS DE ENVIAR FATURAS POR VIA ELETR\u00d3NICA?<\/h2>\n<p>As vantagens para qualquer neg\u00f3cio s\u00e3o mais que muitas e passam pelo n\u00edvel de poupan\u00e7a envolvido, pelo&nbsp;aumento da produtividade e efici\u00eancia administrativa (automatiza\u00e7\u00e3o do registo de documentos nos casos de XML ou outros formatos estruturados), pela&nbsp;agiliza\u00e7\u00e3o da rela\u00e7\u00e3o com o cliente, por um&nbsp;maior rigor dos dados, uma&nbsp;maior poupan\u00e7a de espa\u00e7o f\u00edsico&nbsp;(os sistemas de arquivo dos elementos da contabilidade das empresas podem ser totalmente eletr\u00f3nicos),&nbsp;maior seguran\u00e7a e confidencialidade da informa\u00e7\u00e3o, acesso facilitado \u00e0 documenta\u00e7\u00e3o, j\u00e1 para n\u00e3o falar da quest\u00e3o \u201cpegada ecol\u00f3gica\u201d associada \u00e0 dispensa da impress\u00e3o em papel.<\/p>\n<h2>QUAL A DIFEREN\u00c7A ENTRE UMA ASSINATURA DIGITAL E UM SELO ELETR\u00d3NICO?<\/h2>\n<p>Basicamente os dois mecanismos servem como assinatura, mas enquanto a <b>assinatura digital<\/b> cont\u00e9m informa\u00e7\u00e3o de uma pessoa (por exemplo, o gerente da empresa), o selo eletr\u00f3nico cont\u00e9m informa\u00e7\u00e3o que identifica a empresa.<\/p>\n<h2>O QUE \u00c9 UMA FATURA ELETR\u00d3NICA?<\/h2>\n<p>Para efeitos legais, uma fatura eletr\u00f3nica \u00e9 um documento emitido por um programa de fatura\u00e7\u00e3o certificado pela Autoridade Tribut\u00e1ria (AT), em formato eletr\u00f3nico, em que \u00e9 apostada uma <b>assinatura digital<\/b>. Pode existir em formato PDF ou XML.<\/p>\n<p>O formato XML (ou outros formatos estruturados no \u00e2mbito de EDI) \u00e9 um formato que t\u00eam como objetivo a emiss\u00e3o e rece\u00e7\u00e3o automatizadas num circuito de fatura\u00e7\u00e3o eletr\u00f3nica. Um dos exemplos atualmente mais falados, \u00e9 a norma CIUS-PT, que define a estrutura para a fatura\u00e7\u00e3o \u00e0 Administra\u00e7\u00e3o P\u00fablica.<\/p>\n<h2>A ASSINATURA DIGITAL \u00c9 SEMPRE NECESS\u00c1RIA?<\/h2>\n<p>A <b>assinatura digital <\/b>\u00e9 a \u00fanica forma de conferir ao documento os requisitos que a lei exige no que respeita \u00e0 autenticidade do emissor e \u00e0 integridade do documento, entre outros.<\/p>\n<p>A \u00fanica exce\u00e7\u00e3o atualmente conhecida, \u00e9 quando o documento \u00e9 enviado e recebido num canal de fatura\u00e7\u00e3o eletr\u00f3nica que cliente e fornecedor acordaram, e apenas quando esse acordo esteja sob a norma do Acordo Tipo EDI Europeu.<\/p>\n<p>Estas s\u00e3o as formas atualmente usadas para garantir os requisitos necess\u00e1rios para tornar uma fatura eletr\u00f3nica fiscalmente v\u00e1lida, no \u00e2mbito da diretiva IVA, nomeadamente de acordo com os requisitos impostos pelo CIVA.<\/p>\n<h2>QUE TIPOS DE ASSINATURAS DIGITAIS EXISTEM?<\/h2>\n<p>Existem essencialmente dois tipos de certificados digitais que permitem a produ\u00e7\u00e3o das assinaturas:<\/p>\n<ul>\n<li><strong>Assinaturas avan\u00e7adas \u2013<\/strong>&nbsp;\u00e9 atualmente o tipo de assinatura mais utilizado e v\u00e1lido para todos os efeitos. Em termos inform\u00e1ticos, o certificado que cont\u00e9m a assinatura \u00e9 instalado no computador onde \u00e9 usado o programa inform\u00e1tico que assina os documentos.<\/li>\n<li><strong>Assinaturas ou selos qualificados \u2013&nbsp;<\/strong>a norma transit\u00f3ria do n\u00famero 10 do artigo 40 do Decreto 28\/2019 indica que a assinatura para estes efeitos deve passar a ser uma <b>assinatura digital qualificada<\/b> a partir de janeiro de 2021.<\/li>\n<\/ul>\n<p>A<b> assinatura digital qualificada <\/b>ou selo qualificado, equivalentes para os efeitos desejados, s\u00e3o produzidos por um certificado qualificado que \u00e9 instalado em servidores HSM seguros, na&nbsp;<em>cloud<\/em>&nbsp;da infraestrutura de entidades certificadoras autorizadas para o efeito.<\/p>\n<p>Um selo qualificado identifica uma organiza\u00e7\u00e3o, ao passo que uma assinatura qualificada identifica uma pessoa numa determinada qualidade da organiza\u00e7\u00e3o.<\/p>\n<h2>SOBRE AS FATURAS EM PDF<\/h2>\n<p>At\u00e9 31 de Mar\u00e7o de 2021, para evitar a circula\u00e7\u00e3o das faturas em papel e reduzir os riscos da pandemia, as empresas que quiserem emitir os seus documentos em PDF podem faz\u00ea-lo. A AT considerar\u00e1 essas faturas v\u00e1lidas no \u00e2mbito fiscal.<\/p>\n<h2>PORQU\u00ca E QUANDO UM CERTIFICADO QUALIFICADO?<\/h2>\n<p>Os n\u00fameros 2 e 3 do artigo 3.\u00ba do&nbsp;<a href=\"https:\/\/dre.pt\/home\/-\/dre\/232885\/details\/maximized\" target=\"_blank\" rel=\"nofollow noopener\">Decreto-Lei n.\u00ba 62\/2003<\/a>, que altera o Decreto-Lei n.\u00ba 290-D\/99, aprovaram o regime jur\u00eddico dos documentos eletr\u00f3nicos e da <b>assinatura digital com certificado qualificado<\/b>.<\/p>\n<p>Al\u00e9m dos requisitos j\u00e1 mencionados para tornar o documento eletr\u00f3nico fiscalmente v\u00e1lido, existe ainda a import\u00e2ncia de conferir a for\u00e7a probat\u00f3ria ao documento para todos os efeitos legais. &nbsp;Ou seja, uma fatura em PDF ou XML necessita de uma assinatura qualificada para ser considerada v\u00e1lida e original, provando quem \u00e9 a empresa ou pessoa que a emitiu \u2013 &nbsp;como se fosse uma fatura em papel emitida de acordo com a lei \u2013, sendo este um fator essencial num contexto judicial, em que a empresa necessite de fazer essa prova.<\/p>\n<p>Resumindo, para que uma fatura eletr\u00f3nica seja legalmente v\u00e1lida para todos os efeitos com valor probat\u00f3rio, tem de ter assinatura qualificada. Sem uma assinatura qualificada ou selo qualificado, o valor probat\u00f3rio dos documentos eletr\u00f3nicos estar\u00e1 sempre sujeito a aprecia\u00e7\u00e3o nos termos gerais de direito, como indicado no n\u00famero 5 do artigo 3\u00ba do Decreto-Lei n.\u00ba 62\/2003, j\u00e1 anteriormente mencionado.<\/p>\n<h2>A SOLU\u00c7\u00c3O PHC CS ASSINATURAS QUALIFICADAS<\/h2>\n<p>O&nbsp;<a href=\"https:\/\/www.phcsoftware.com\/phc-cs-assinaturas-qualificadas\/\">PHC CS Assinaturas Qualificadas<\/a>&nbsp;\u00e9 a solu\u00e7\u00e3o desenvolvida pela PHC Software, que ir\u00e1 permitir assinar eletronicamente as suas faturas, em conformidade com o disposto no Decreto-lei n.\u00ba 28\/2019.<\/p>\n<p>Este novo produto, que ser\u00e1 disponibilizado j\u00e1 na pr\u00f3xima vers\u00e3o, \u00e9 totalmente baseado em tecnologia&nbsp;<em>cloud<\/em>, sendo as assinaturas obtidas a partir de servidores seguros da entidade certificadora e credenciada para o efeito.<\/p>\n<p>Ao optar por esta solu\u00e7\u00e3o, tem a garantia de estar a cumprir com a obrigatoriedade de ter um certificado digital qualificado, emitido por uma entidade certificadora autorizada, que garantir\u00e1 o reconhecimento autom\u00e1tico e legal da <b>assinatura digital<\/b> da sua empresa em Portugal e em toda a Comunidade Europeia.<\/p>\n<p>Agora que est\u00e1 a par de toda a informa\u00e7\u00e3o essencial sobre assinaturas eletr\u00f3nicas qualificadas,&nbsp;<strong>garanta que a sua solu\u00e7\u00e3o de fatura\u00e7\u00e3o est\u00e1 apta a emitir faturas em XML e PDF em conformidade com a lei, a partir do dia 1 de janeiro de 2021<\/strong>.<\/p>\n<h3>Artigos Relacionados<\/h3>\n<p><a href=\"https:\/\/phcsoftware.com\/business-at-speed\/assinatura-digital-qualificada-nas-faturas-obrigatoria\/\" title=\"AT determina novas datas: c\u00f3digo QR mant\u00e9m-se a partir de 1 de janeiro\"><br \/>\n<img decoding=\"async\" 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