{"id":320,"date":"2026-06-03T22:42:39","date_gmt":"2026-06-03T20:42:39","guid":{"rendered":"https:\/\/tecnologia.villanett.com\/?post_type=glossary&#038;p=320"},"modified":"2026-06-04T22:44:03","modified_gmt":"2026-06-04T20:44:03","slug":"fiel","status":"publish","type":"glossary","link":"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/","title":{"rendered":"FIEL"},"content":{"rendered":"<p data-start=\"0\" data-end=\"113\"><strong data-start=\"0\" data-end=\"8\"><a class=\"glossaryLink\" href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIEL<\/a><\/strong> significa <strong data-start=\"19\" data-end=\"49\">Firma Electr&oacute;nica Avanzada<\/strong>. Actualmente en M&eacute;xico se conoce oficialmente como <strong data-start=\"101\" data-end=\"112\">e.firma<\/strong>.<\/p>\n<p data-start=\"115\" data-end=\"310\">Es un conjunto de archivos digitales emitidos por el <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Servicio de Administraci&oacute;n Tributaria<\/span><\/span> que permite identificar a una persona f&iacute;sica o moral y firmar documentos electr&oacute;nicos con validez legal.<\/p>\n<h3 data-section-id=\"1pq745u\" data-start=\"312\" data-end=\"332\">&iquest;Para qu&eacute; sirve?<\/h3>\n<ul data-start=\"333\" data-end=\"526\">\n<li data-section-id=\"18v1218\" data-start=\"333\" data-end=\"365\">Realizar tr&aacute;mites ante el SAT.<\/li>\n<li data-section-id=\"1bmq1uj\" data-start=\"366\" data-end=\"401\">Presentar declaraciones fiscales.<\/li>\n<li data-section-id=\"17blodw\" data-start=\"402\" data-end=\"435\">Firmar documentos electr&oacute;nicos.<\/li>\n<li data-section-id=\"bwqhvm\" data-start=\"436\" data-end=\"471\">Solicitar certificados digitales.<\/li>\n<li data-section-id=\"1w9w0tb\" data-start=\"472\" data-end=\"526\">Realizar diversos tr&aacute;mites gubernamentales en l&iacute;nea.<\/li>\n<\/ul>\n<h3 data-section-id=\"12sik86\" data-start=\"528\" data-end=\"558\">&iquest;Qu&eacute; archivos la componen?<\/h3>\n<p data-start=\"559\" data-end=\"600\">La e.firma generalmente est&aacute; formada por:<\/p>\n<ul data-start=\"601\" data-end=\"712\">\n<li data-section-id=\"jcyp8g\" data-start=\"601\" data-end=\"642\"><strong data-start=\"603\" data-end=\"619\">Archivo .cer<\/strong> (certificado digital).<\/li>\n<li data-section-id=\"1qyi7z1\" data-start=\"643\" data-end=\"678\"><strong data-start=\"645\" data-end=\"661\">Archivo .key<\/strong> (llave privada).<\/li>\n<li data-section-id=\"62njj6\" data-start=\"679\" data-end=\"712\">Contrase&ntilde;a de la llave privada.<\/li>\n<\/ul>\n<h3 data-section-id=\"qhfs8z\" data-start=\"714\" data-end=\"733\">&iquest;C&oacute;mo funciona?<\/h3>\n<p data-start=\"734\" data-end=\"783\">La e.firma utiliza tecnolog&iacute;a criptogr&aacute;fica para:<\/p>\n<ol data-start=\"784\" data-end=\"910\">\n<li data-section-id=\"1p6rhms\" data-start=\"784\" data-end=\"816\">Identificar al contribuyente.<\/li>\n<li data-section-id=\"e9jt9p\" data-start=\"817\" data-end=\"868\">Garantizar que el documento no ha sido alterado.<\/li>\n<li data-section-id=\"nb60je\" data-start=\"869\" data-end=\"910\">Confirmar la autenticidad de la firma.<\/li>\n<\/ol>\n<h3 data-section-id=\"ghdlj7\" data-start=\"912\" data-end=\"932\">Ejemplo pr&aacute;ctico<\/h3>\n<p data-start=\"933\" data-end=\"981\">Un contribuyente puede utilizar su e.firma para:<\/p>\n<ul data-start=\"982\" data-end=\"1102\">\n<li data-section-id=\"bfmcpk\" data-start=\"982\" data-end=\"1016\">Presentar una declaraci&oacute;n anual.<\/li>\n<li data-section-id=\"1vvsrpl\" data-start=\"1017\" data-end=\"1047\">Solicitar un tr&aacute;mite fiscal.<\/li>\n<li data-section-id=\"18t6g5s\" data-start=\"1048\" data-end=\"1102\">Firmar documentos electr&oacute;nicos con validez jur&iacute;dica.<\/li>\n<\/ul>\n<h3 data-section-id=\"17qwepu\" data-start=\"1104\" data-end=\"1145\">Diferencia entre e.firma (<a class=\"glossaryLink\" href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIEL<\/a>) y <a class=\"glossaryLink\"  href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/csd\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>CSD<\/a><\/h3>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1147\" data-end=\"1427\">\n<thead data-start=\"1147\" data-end=\"1171\">\n<tr data-start=\"1147\" data-end=\"1171\">\n<th class=\"last:pe-10\" data-start=\"1147\" data-end=\"1164\" data-col-size=\"md\">e.firma (<a class=\"glossaryLink\" href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIEL<\/a>)<\/th>\n<th class=\"last:pe-10\" data-start=\"1164\" data-end=\"1171\" data-col-size=\"md\"><a class=\"glossaryLink\"  href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/csd\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>CSD<\/a><\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1196\" data-end=\"1427\">\n<tr data-start=\"1196\" data-end=\"1273\">\n<td data-start=\"1196\" data-end=\"1242\" data-col-size=\"md\">Se utiliza para tr&aacute;mites fiscales y legales<\/td>\n<td data-start=\"1242\" data-end=\"1273\" data-col-size=\"md\">Se utiliza para emitir <a class=\"glossaryLink\" href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/cfdi\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">CFDI<\/a><\/td>\n<\/tr>\n<tr data-start=\"1274\" data-end=\"1335\">\n<td data-start=\"1274\" data-end=\"1304\" data-col-size=\"md\">Identifica al contribuyente<\/td>\n<td data-start=\"1304\" data-end=\"1335\" data-col-size=\"md\">Firma facturas electr&oacute;nicas<\/td>\n<\/tr>\n<tr data-start=\"1336\" data-end=\"1427\">\n<td data-start=\"1336\" data-end=\"1380\" data-col-size=\"md\">Generalmente existe una por contribuyente<\/td>\n<td data-start=\"1380\" data-end=\"1427\" data-col-size=\"md\">Puede haber varios certificados por empresa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h3 data-section-id=\"g5yl83\" data-start=\"1429\" data-end=\"1443\">Beneficios<\/h3>\n<ul data-start=\"1444\" data-end=\"1627\">\n<li data-section-id=\"1hl4hnk\" data-start=\"1444\" data-end=\"1506\">Permite realizar tr&aacute;mites sin acudir f&iacute;sicamente a oficinas.<\/li>\n<li data-section-id=\"pupwoj\" data-start=\"1507\" data-end=\"1532\">Tiene validez jur&iacute;dica.<\/li>\n<li data-section-id=\"1c36tpd\" data-start=\"1533\" data-end=\"1584\">Aumenta la seguridad en operaciones electr&oacute;nicas.<\/li>\n<li data-section-id=\"1j5uhxw\" data-start=\"1585\" data-end=\"1627\">Reduce tiempos y costos administrativos.<\/li>\n<\/ul>\n<h3 data-section-id=\"fnl5kv\" data-start=\"1629\" data-end=\"1644\">Importancia<\/h3>\n<p data-start=\"1645\" data-end=\"1797\">La e.firma es uno de los mecanismos m&aacute;s importantes para la realizaci&oacute;n de tr&aacute;mites digitales en M&eacute;xico, tanto para personas f&iacute;sicas como para empresas.<\/p>\n<p data-start=\"1799\" data-end=\"1891\">Puedes consultar informaci&oacute;n oficial en el portal del <span class=\"\" data-state=\"closed\">SAT M&eacute;xico<\/span>.<\/p>\n<p data-start=\"1893\" data-end=\"2104\" data-is-last-node=\"\" data-is-only-node=\"\">En resumen, <strong data-start=\"1905\" data-end=\"2103\">la <a class=\"glossaryLink\" href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIEL<\/a> (hoy llamada e.firma) es una firma electr&oacute;nica avanzada emitida por el SAT que permite identificar a los contribuyentes y realizar tr&aacute;mites y firmas digitales con validez legal en M&eacute;xico<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p><a class=\"glossaryLink\" href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIEL<\/a> significa Firma Electr&oacute;nica Avanzada. Actualmente en M&eacute;xico se conoce oficialmente como e.firma. Es un conjunto de archivos digitales emitidos por el Servicio de Administraci&oacute;n Tributaria que permite identificar a una persona f&iacute;sica o moral y firmar documentos electr&oacute;nicos con validez legal. &iquest;Para qu&eacute; sirve? Realizar tr&aacute;mites ante el SAT. Presentar declaraciones fiscales. Firmar documentos &hellip; <a href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/\" class=\"more-link\">Seguir leyendo <span class=\"screen-reader-text\"><a class=\"glossaryLink\" href=\"https:\/\/tecnologia.villanett.com\/index.php\/glosario\/fiel\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">FIEL<\/a><\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"menu_order":0,"template":"","meta":{"footnotes":""},"class_list":["post-320","glossary","type-glossary","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/tecnologia.villanett.com\/index.php\/wp-json\/wp\/v2\/glossary\/320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tecnologia.villanett.com\/index.php\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/tecnologia.villanett.com\/index.php\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/tecnologia.villanett.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"version-history":[{"count":1,"href":"https:\/\/tecnologia.villanett.com\/index.php\/wp-json\/wp\/v2\/glossary\/320\/revisions"}],"predecessor-version":[{"id":321,"href":"https:\/\/tecnologia.villanett.com\/index.php\/wp-json\/wp\/v2\/glossary\/320\/revisions\/321"}],"wp:attachment":[{"href":"https:\/\/tecnologia.villanett.com\/index.php\/wp-json\/wp\/v2\/media?parent=320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}