{"id":11339,"date":"2025-09-04T10:38:17","date_gmt":"2025-09-04T07:38:17","guid":{"rendered":"https:\/\/docnova.ai\/?p=11339"},"modified":"2025-09-04T14:41:59","modified_gmt":"2025-09-04T11:41:59","slug":"poland-ksef-2-0-transition-timeline-2025","status":"publish","type":"post","link":"https:\/\/docnova.ai\/de\/poland-ksef-2-0-transition-timeline-2025\/","title":{"rendered":"Poland&#8217;s E-Invoice System Major Update: Transition to KSeF 2.0 Begins"},"content":{"rendered":"<style>.kb-row-layout-id11339_104324-eb > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id11339_104324-eb > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id11339_104324-eb > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-lg, 4rem);max-width:var(--wp--style--global--content-size);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id11339_104324-eb{background-color:var(--global-palette9, #ffffff);}.kb-row-layout-id11339_104324-eb > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id11339_104324-eb > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id11339_104324-eb > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id11339_104324-eb alignfull has-theme-palette9-background-color kt-row-has-bg wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-row kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top kb-theme-content-width\">\n<style>.kadence-column11339_427dd2-69 > .kt-inside-inner-col,.kadence-column11339_427dd2-69 > 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.kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column11339_d64e5b-61\"><div class=\"kt-inside-inner-col\"><style>.kb-row-layout-id11339_fbf568-66 > .kt-row-column-wrap{align-content:center;}:where(.kb-row-layout-id11339_fbf568-66 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:center;}.kb-row-layout-id11339_fbf568-66 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-right:var(--global-kb-spacing-lg, 3rem);padding-left:var(--global-kb-spacing-lg, 3rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id11339_fbf568-66{border-top-left-radius:8px;border-top-right-radius:8px;border-bottom-right-radius:8px;border-bottom-left-radius:8px;overflow:clip;isolation:isolate;}.kb-row-layout-id11339_fbf568-66 > 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.kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id11339_fbf568-66{border-top:1px solid var(--global-palette7, #EDF2F7);border-right:1px solid var(--global-palette7, #EDF2F7);border-bottom:1px solid var(--global-palette7, #EDF2F7);border-left:1px solid var(--global-palette7, #EDF2F7);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id11339_fbf568-66 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-middle\">\n<style>.kadence-column11339_c1233d-8e > .kt-inside-inner-col{display:flex;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col,.kadence-column11339_c1233d-8e > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column11339_c1233d-8e > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col > *, .kadence-column11339_c1233d-8e > .kt-inside-inner-col > figure.wp-block-image, .kadence-column11339_c1233d-8e > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column11339_c1233d-8e{text-align:center;}.kadence-column11339_c1233d-8e{position:relative;}@media all and (max-width: 1024px){.kadence-column11339_c1233d-8e > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:center;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column11339_c1233d-8e > .kt-inside-inner-col > *, .kadence-column11339_c1233d-8e > .kt-inside-inner-col > figure.wp-block-image, .kadence-column11339_c1233d-8e > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kadence-column11339_c1233d-8e > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col > *, .kadence-column11339_c1233d-8e > .kt-inside-inner-col > figure.wp-block-image, .kadence-column11339_c1233d-8e > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column11339_c1233d-8e > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column11339_c1233d-8e kb-section-dir-horizontal\"><div class=\"kt-inside-inner-col\"><style>.wp-block-kadence-image.kb-image11339_6a969d-29:not(.kb-specificity-added):not(.kb-extra-specificity-added){margin-top:0px;margin-right:0px;margin-bottom:0px;margin-left:0px;}.kb-image11339_6a969d-29.kb-image-is-ratio-size, .kb-image11339_6a969d-29 .kb-image-is-ratio-size{max-width:100px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image11339_6a969d-29.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image11339_6a969d-29 .kb-image-is-ratio-size{align-self:unset;}.kb-image11339_6a969d-29{max-width:100px;}.image-is-svg.kb-image11339_6a969d-29{-webkit-flex:0 1 100%;flex:0 1 100%;}.image-is-svg.kb-image11339_6a969d-29 img{width:100%;}.kb-image11339_6a969d-29 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<figure class=\"wp-block-kadence-image kb-image11339_6a969d-29 size-full\"><img data-recalc-dims=\"1\" decoding=\"async\" width=\"256\" height=\"192\" data-attachment-id=\"10212\" data-permalink=\"https:\/\/docnova.ai\/de\/poland-ksef-e-invoicing-new-dates-2026\/poland_magnified_flag_with_blue_globe_256\/\" data-orig-file=\"https:\/\/i0.wp.com\/docnova.ai\/wp-content\/uploads\/2025\/08\/poland_magnified_flag_with_blue_globe_256.png?fit=256%2C192&amp;ssl=1\" data-orig-size=\"256,192\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"poland\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/docnova.ai\/wp-content\/uploads\/2025\/08\/poland_magnified_flag_with_blue_globe_256.png?fit=256%2C192&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/docnova.ai\/wp-content\/uploads\/2025\/08\/poland_magnified_flag_with_blue_globe_256.png?resize=256%2C192&#038;ssl=1\" alt=\"poland\" class=\"kb-img wp-image-10212\" title=\"poland\" srcset=\"https:\/\/i0.wp.com\/docnova.ai\/wp-content\/uploads\/2025\/08\/poland_magnified_flag_with_blue_globe_256.png?w=256&amp;ssl=1 256w, https:\/\/i0.wp.com\/docnova.ai\/wp-content\/uploads\/2025\/08\/poland_magnified_flag_with_blue_globe_256.png?resize=16%2C12&amp;ssl=1 16w\" sizes=\"(max-width: 256px) 100vw, 256px\" \/><\/figure>\n\n\n<style>.wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f, .wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f[data-kb-block=\"kb-adv-heading11339_03036d-0f\"]{text-align:left;font-size:24px;line-height:1.2;font-style:normal;color:var(--global-palette3, #1A202C);}.wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f mark.kt-highlight, .wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f[data-kb-block=\"kb-adv-heading11339_03036d-0f\"] mark.kt-highlight{font-style:normal;color:#f76a0c;-webkit-box-decoration-break:clone;box-decoration-break:clone;padding-top:0px;padding-right:0px;padding-bottom:0px;padding-left:0px;}.wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f img.kb-inline-image, .wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f[data-kb-block=\"kb-adv-heading11339_03036d-0f\"] img.kb-inline-image{width:150px;vertical-align:baseline;}@media all and (max-width: 1024px){.wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f, .wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f[data-kb-block=\"kb-adv-heading11339_03036d-0f\"]{font-size:23px;}}@media all and (max-width: 767px){.wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f, .wp-block-kadence-advancedheading.kt-adv-heading11339_03036d-0f[data-kb-block=\"kb-adv-heading11339_03036d-0f\"]{text-align:center!important;}}<\/style>\n<h1 class=\"kt-adv-heading11339_03036d-0f wp-block-kadence-advancedheading has-theme-palette-3-color has-text-color\" data-kb-block=\"kb-adv-heading11339_03036d-0f\"><strong><strong><strong><strong><strong>Poland&#8217;s E-Invoice System Major Update:<\/strong><\/strong><\/strong><\/strong><\/strong><br><strong><strong><strong><strong><strong>Transition to KSeF 2.0 Begins<\/strong><\/strong><\/strong><\/strong><\/strong><\/h1>\n<\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n<\/div><\/div><\/div><\/div>\n\n\n<style>.kadence-column11339_3b3578-f7 > .kt-inside-inner-col,.kadence-column11339_3b3578-f7 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column11339_3b3578-f7 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column11339_3b3578-f7 > .kt-inside-inner-col{flex-direction:column;}.kadence-column11339_3b3578-f7 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column11339_3b3578-f7 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column11339_3b3578-f7{position:relative;}@media all and (max-width: 1024px){.kadence-column11339_3b3578-f7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column11339_3b3578-f7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column11339_3b3578-f7\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-justify wp-block-paragraph\" id=\"viewer-llh6y584\"><strong>Poland&#8217;s Ministry of Finance announced the important transition timeline for the National e-Invoicing System (KSeF). The KSeF 1.0 test environment will close on September 1, and the new KSeF 2.0 test environment will launch on September 30. The mandatory system will begin on February 1, 2026.<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Poland&#8217;s digital invoicing infrastructure is undergoing a groundbreaking transformation. The roadmap announced by the Ministry of Finance focuses on completely renewing the country&#8217;s electronic invoice system.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Critical Transition Dates<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>September 1, 2025:<\/strong> KSeF 1.0 test environment closes. New users will have to wait for the KSeF 2.0 test environment.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>September 30, 2025:<\/strong> KSeF 2.0 open API testing begins. Financial-accounting system providers will be able to test their software for compatibility with the new system.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>October 15, 2025:<\/strong> Users will be able to integrate with the pre-production (DEMO) environment via API KSeF 2.0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>January 26, 2026:<\/strong> Final usage date for KSeF 1.0 production version. A technical break will occur between January 26-31.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Important Innovations in November<\/h2>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">The Certificate and Authorization Module (MCU) will launch on November 1, enabling the granting of permissions necessary to use the National e-Invoicing System from February 1, 2026.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Starting November 3, users will be able to test the KSeF 2.0 Taxpayer Application in the test environment. On November 15, the application will be made available in the pre-production environment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">&#8220;Wednesdays with KSeF&#8221; Education Program<\/h2>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\">Starting in September, the Ministry of Finance will launch the &#8220;Wednesdays with KSeF&#8221; training series covering all voivodeships. The trainings, lasting until mid-December, will inform taxpayers about issuing and receiving invoices in KSeF, downloading certificates, and using free tools.<\/p>\n\n\n\n<p class=\"has-text-align-justify wp-block-paragraph\" id=\"viewer-llh6y584\">Current KSeF 1.0 production users can continue using the system until the technical break between January 26-31, 2026. From February 1, 2026, the Ministry of Finance will launch the target version of the system: KSeF 2.0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/ksef.podatki.gov.pl\/wyjasnienia\/we-wrzesniu-zamiana-srodowisk-testowych-z-ksef-10-na-ksef-20\/\" target=\"_blank\" rel=\"noopener\">https:\/\/ksef.podatki.gov.pl\/wyjasnienia\/we-wrzesniu-zamiana-srodowisk-testowych-z-ksef-10-na-ksef-20\/<\/a><\/p>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n\t\t\t<div class=\"wp-block-uagb-post-carousel uagb-post-grid  uagb-post__image-position-top uagb-post__image-disabled uagb-block-6356ae75     uagb-post__arrow-outside uagb-slick-carousel uagb-post__items uagb-post__columns-2 is-carousel uagb-post__columns-tablet-2 uagb-post__columns-mobile-1\" data-total=\"3\" style=\"\">\n\n\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/docnova.ai\/de\/poland-ksef-e-invoicing-phase-2-and-2026-timeline\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Poland\u2019s E-Invoicing Evolution: KSeF Enters Phase 2<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-03-31T09:09:45+03:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\tM\u00e4rz 31, 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Poland\u2019s E-Invoicing Evolution: KSeF Enters Phase 2 The Polish Ministry of Finance has announced the&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/docnova.ai\/de\/poland-ksef-e-invoicing-phase-2-and-2026-timeline\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Weiterlesen<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/docnova.ai\/de\/poland-ksef-2-0-e-invoice-system-launched-feb-1-2026\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">POLAND: National e-Invoice System (KSeF) Officially Launched<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-02-02T10:09:31+03:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\tFebruar 2, 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>POLAND: National e-Invoice System (KSeF)Officially Launched The Polish Ministry of Finance has announced that the&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/docnova.ai\/de\/poland-ksef-2-0-e-invoice-system-launched-feb-1-2026\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Weiterlesen<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/docnova.ai\/de\/poland-ksef-2-0-mandatory-e-invoicing\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Poland Transitions to KSeF 2.0: Mandatory e-Invoicing System Launches February 1st<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-01-21T16:54:04+03:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\tJanuar 21, 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Poland Transitions to KSeF 2.0: Mandatorye-Invoicing System Launches February 1st Poland is set to complete&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/docnova.ai\/de\/poland-ksef-2-0-mandatory-e-invoicing\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Weiterlesen<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/docnova.ai\/de\/poland-ksef-20-e-invoice-attachments\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Poland \/ The Ministry of Finance has made available in the e-US a module for submitting invoices with an attachment for KSeF 2.0<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2026-01-05T12:36:01+03:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\tJanuar 5, 2026\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Poland \/ The Ministry of Finance has made availablein the e-US a module for submitting&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/docnova.ai\/de\/poland-ksef-20-e-invoice-attachments\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Weiterlesen<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/docnova.ai\/de\/poland-ksef-2026-executive-regulations\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Poland Finalizes KSeF Implementation: Executive Regulations Signed<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2025-12-17T10:09:32+03:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\tDezember 17, 2025\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Poland Finalizes KSeF Implementation:Executive Regulations Signed The Polish Minister of Finance and Economy has officially&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/docnova.ai\/de\/poland-ksef-2026-executive-regulations\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Weiterlesen<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<article class=\"uagb-post__inner-wrap\">\t\t\t\t\t\t\t\t<h4 class=\"uagb-post__title uagb-post__text\">\n\t\t\t\t<a href=\"https:\/\/docnova.ai\/de\/poland-ksef-2-0-taxpayer-application-open-testing\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Poland: Open Testing of the KSeF 2.0 Taxpayer Application Begins<\/a>\n\t\t\t<\/h4>\n\t\t\t\t\t\t<div class='uagb-post__text uagb-post-grid-byline'>\n\t\t\t\t\t\t\t\t<time datetime=\"2025-11-05T14:20:50+03:00\" class=\"uagb-post__date\">\n\t\t\t\t<span class=\"dashicons-calendar dashicons\"><\/span>\t\t\t\t\tNovember 5, 2025\t\t\t\t<\/time>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class='uagb-post__text uagb-post__excerpt'>\n\t\t\t\t\t<p>Poland: Open Testing of the KSeF 2.0Taxpayer Application Begins As of 3 November 2025, Poland\u2019s&#8230;\t\t\t\t<\/div>\n\t\t\t\t\t\t<div class=\"uagb-post__text uagb-post__cta wp-block-button\">\n\t\t\t\t<a class=\"wp-block-button__link uagb-text-link\" style=\"\" href=\"https:\/\/docnova.ai\/de\/poland-ksef-2-0-taxpayer-application-open-testing\/\" target=\"_self\" rel=\"bookmark noopener noreferrer\">Weiterlesen<\/a>\n\t\t\t<\/div>\n\t\t\t\n\t\t\t\t\t\t\t\t\t<\/article>\n\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t","protected":false},"excerpt":{"rendered":"<p>Poland&#8217;s E-Invoice System Major Update:Transition to KSeF 2.0 Begins Poland&#8217;s Ministry of Finance announced the important transition timeline for the National e-Invoicing System (KSeF). The KSeF 1.0 test environment will close on September 1, and the new KSeF 2.0 test environment will launch on September 30. The mandatory system will begin on February 1, 2026. 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E-Invoice System Major Update:Transition to KSeF 2.0 Begins Poland&#8217;s Ministry of Finance announced the important transition timeline for the National e-Invoicing System (KSeF). 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