{"id":7079,"date":"2025-06-29T16:14:52","date_gmt":"2025-06-29T14:14:52","guid":{"rendered":"https:\/\/podpisano-new.local\/?p=7079"},"modified":"2025-06-29T16:14:52","modified_gmt":"2025-06-29T14:14:52","slug":"jak-zabezpieczyc-dokument-na-lata-konserwacja-podpisow-elektronicznych-w-praktyce","status":"publish","type":"post","link":"https:\/\/podpisano.pl\/en\/jak-zabezpieczyc-dokument-na-lata-konserwacja-podpisow-elektronicznych-w-praktyce\/","title":{"rendered":"How to secure a document for years to come? Preservation of electronic signatures in practice"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"7079\" class=\"elementor elementor-7079\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-dc68e6e e-con-full e-flex e-con e-child\" data-id=\"dc68e6e\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-bb58e09 e-con-full e-flex e-con e-child\" data-id=\"bb58e09\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-348a2f4 elementor-widget elementor-widget-heading\" data-id=\"348a2f4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Does every party to a contract have to maintain an electronic signature?\n\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6178315 elementor-widget elementor-widget-text-editor\" data-id=\"6178315\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">W <a href=\"https:\/\/podpisano.pl\/en\/podpis-elektroniczny-na-lata-konserwacja-i-archiwizacja-dokumentow-w-praktyce\/\">previous<\/a> <a href=\"https:\/\/podpisano.pl\/en\/podpis-pieczec-i-znacznik-czasu-jak-dzialaja-uslugi-zaufania-cyfrowego\/\">texts<\/a> we explained what is <a href=\"https:\/\/podpisano.pl\/en\/elektroniczny-znacznik-czasu-czym-jest-jak-dziala-i-dlaczego-warto-go-uzywac-1-2\/\">qualified time stamp<\/a> and how signature maintenance ensures the validity of documents for years. Now we raise an important question: <\/span><b>Can only one party to the contract take care of maintenance, or should both do it?<\/b><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-cc78597 elementor-widget elementor-widget-heading\" data-id=\"cc78597\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Who is responsible for maintenance?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f86aa6c elementor-widget elementor-widget-text-editor\" data-id=\"f86aa6c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">There is no formal obligation for signature preservation to be carried out by both parties to a contract. Legally, it is sufficient for one party to stamp the document with a qualified timestamp and secure it against loss of credibility. <\/span><b><\/b><\/p><p><b>But beware - this solution is good only in theory.<\/b><\/p><p><span style=\"font-weight: 400;\">In practice <\/span><b>Each party should independently take care of the maintenance of its copy of the document<\/b><span style=\"font-weight: 400;\">. Why?<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">If only one party initiates maintenance, <\/span><b>only she will have proof of the validity of the signatures<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The other party, without its preservation mechanism, may not be able to prove the authenticity of the document years later.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In the event of litigation or administrative review, <\/span><b>Lack of validation can mean weaker process position<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3070046 elementor-widget elementor-widget-heading\" data-id=\"3070046\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What should both parties know?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d610f1f elementor-widget elementor-widget-text-editor\" data-id=\"d610f1f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A bilateral agreement bearing qualified electronic signatures has the same legal force as a paper version with handwritten signatures. But the mere presence of a signature is not enough to make the document valid in, say, 10 years.<\/span><\/p><p><b>Each party, for its own legal security, should:<\/b><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">stamp your copy of the document <\/span><b>qualified time stamp (TSA)<\/b><span style=\"font-weight: 400;\"> - preferably immediately after signing,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">store the document in a system that supports <\/span><b>cyclic maintenance<\/b><span style=\"font-weight: 400;\"> - That is, regular validation of certificates and refreshing the timestamp.<\/span><\/li><\/ul><p>\u00a0<\/p><p><span style=\"font-weight: 400;\">Thanks to this <\/span><b>each party has its own independent proof of validity<\/b><span style=\"font-weight: 400;\">, which can be used in a court, office or audit.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-87e436e elementor-widget elementor-widget-heading\" data-id=\"87e436e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Automatic maintenance - how does it work?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fc2234f elementor-widget elementor-widget-text-editor\" data-id=\"fc2234f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">In Poland, the leader in the field of qualified validation and maintenance of electronic signatures is Asseco Data Systems, operating, among others, through the platform <\/span><b>podpisano.pl<\/b><span style=\"font-weight: 400;\"> i service <\/span><b>WebNotarius<\/b><span style=\"font-weight: 400;\"> (Certum by Asseco).<\/span><\/p><p><span style=\"font-weight: 400;\">WebNotarius is <\/span><a href=\"https:\/\/paperless.asseco.com\/oferta\/webnotarius\"><span style=\"font-weight: 400;\">first <\/span><\/a><span style=\"font-weight: 400;\">a qualified service in Poland that provides both long-term validation and maintenance of electronic signatures and seals, in compliance with eIDAS regulations. With this service, documents can be secured for up to 30 years, which is also confirmed by the case study <\/span><a href=\"http:\/\/szukio.pl\"><span style=\"font-weight: 400;\">SzuKIO.pl<\/span><\/a><span style=\"font-weight: 400;\">\u00a0 - is a search engine for judgments of the National Board of Appeals (NAC), the Court of Justice of the European Union or the Courts concerning public procurement. The extensive case law database is particularly useful during procedural processes related to public procurement. SzuKIO.pl is used by the administration, companies implementing public contracts of significant value, consultants and lawyers.\u00a0<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2e2eca2 elementor-widget elementor-widget-heading\" data-id=\"2e2eca2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">What does it consist of?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-957f1cd elementor-widget elementor-widget-text-editor\" data-id=\"957f1cd\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ol><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Validation of signatures and certificates<\/b><span style=\"font-weight: 400;\"> - WebNotarius checks each signature and qualified electronic seal, confirming their compliance with eIDAS and validity at the time of document submission<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Adding a qualified timestamp<\/b><span style=\"font-weight: 400;\"> - Every 12 months (or as determined by the organization), the system automatically adds a new <\/span><a href=\"https:\/\/podpisano.pl\/en\/podpis-elektroniczny-po-latach-czy-twoj-dokument-nadal-jest-wazny-czym-jest-konserwacja-kwalifikowanego-podpisu-elektronicznego\/\"><span style=\"font-weight: 400;\">timestamp<\/span><\/a><span style=\"font-weight: 400;\"> - eliminating evidentiary gaps resulting from the expiration of earlier certificates.<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Generation of validation reports<\/b><span style=\"font-weight: 400;\"> - After each cycle, the user receives a PDF report that provides solid evidence for courts and authorities.<\/span><span style=\"font-weight: 400;\"><br \/><br \/><\/span><\/li><li><b>Full automation<\/b><span style=\"font-weight: 400;\"> - service works 24\/7\/365, integrating via API with DMS\/ECM systems or internal documentation processes without manual handling.<\/span><span style=\"font-weight: 400;\"><br \/><\/span><\/li><\/ol>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5d2b1a5 elementor-widget elementor-widget-heading\" data-id=\"5d2b1a5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Why is this important?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0387b56 elementor-widget elementor-widget-text-editor\" data-id=\"0387b56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Judicial and official trust<\/b><span style=\"font-weight: 400;\"> - WebNotarius reports are recognized as legal evidence in court cases.<\/span><p>\u00a0<\/p><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Security for years to come<\/b><span style=\"font-weight: 400;\"> - Asseco Data System, whose partner is the <\/span><a href=\"https:\/\/podpisano.pl\/en\/czy-podpisano-pl-to-firma-zaufania-cyfrowego-rozwiewamy-watpliwosci\/\"><span style=\"font-weight: 400;\">podpisano.pl<\/span><\/a><span style=\"font-weight: 400;\"> is subject to periodic audits, and the system is updated when the strength of cryptographic algorithms decreases.<\/span><p>\u00a0<\/p><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Non-invasive integration<\/b><span style=\"font-weight: 400;\"> - runs in the background without disrupting day-to-day operations, so companies can focus on their processes without worrying about losing the validity of documents.<\/span><p>\u00a0<\/p><\/li><\/ul><p><span style=\"font-weight: 400;\">The system independently detects when an existing timestamp expires, performs a re-validation and adds a new timestamp - without user involvement. Thanks to such solutions, each party to a contract signed not only with a qualified signature, but also secured with a timestamp, can be sure that its copy of the document will be <\/span><b>verified and recognized in <a href=\"https:\/\/podpisano.pl\/en\/uslugi-zaufania-cyfrowego-i-konserwacja-podpisu-kwalifikowanego\/\">future<\/a><\/b><span style=\"font-weight: 400;\"> - even after years or technological changes. This type of automation eliminates the risk of human error, delays and negligence - and thus increases the evidentiary value of the document in the long term.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e208cd0 elementor-widget elementor-widget-heading\" data-id=\"e208cd0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">When to use which archiving format?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-baf05ac elementor-widget elementor-widget-text-editor\" data-id=\"baf05ac\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table><tbody><tr><td><p><b>Document type<\/b><\/p><\/td><td><p><b>Archiving format<\/b><\/p><\/td><td><p><b>Content<\/b><\/p><\/td><td><p><b>Validation<\/b><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Contracts, protocols<\/span><\/p><\/td><td><p><b>PAdES-LTV\/LTA<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Signature, TSA, OCSP\/CRL in PDF<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Adobe Reader, WebNotarius Viewer<\/span><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Invoices, XML e-data<\/span><\/p><\/td><td><p><b>XAdES-A<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Same thing, but in an XML structure<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Dedicated XML validators<\/span><\/p><\/td><\/tr><\/tbody><\/table><p><b>PAdES-LTV<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">best for text documents (PDF),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Verified by Adobe Acrobat - without additional tools,<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">understandable to the contractor, customer and official.<\/span><\/li><\/ul><p>\u00a0<\/p><p><b>XAdES-A<\/b><span style=\"font-weight: 400;\">:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Used with structured documents (JPK invoices, KSeF data, B2B reports),<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Resistant to technological changes - ideal for long-term archiving.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-da1d86b elementor-widget elementor-widget-heading\" data-id=\"da1d86b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Is it enough that only one party to the contract applies maintenance?\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5675ecc elementor-widget elementor-widget-text-editor\" data-id=\"5675ecc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Formally - yes. A contract signed by both parties and preserved by only one of them, <\/span><b>can be considered valid<\/b><span style=\"font-weight: 400;\">.<\/span><\/p><p><span style=\"font-weight: 400;\">But:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">The other side without its own maintenance <\/span><b>may not be able to verify the signature<\/b><span style=\"font-weight: 400;\"> - especially after the expiration of certificates.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">In case of file format change, system migration or ransomware attack, <\/span><b>lack of maintenance can mean loss of legal proof<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><p>\u00a0<\/p><p><span style=\"font-weight: 400;\">Therefore <\/span><b>each party should have its own maintenance mechanism<\/b><span style=\"font-weight: 400;\"> - best automated, maintenance-free and resistant to technological change.<\/span><\/p><p><strong>Remember...<\/strong><\/p><table><tbody><tr><td><p><b>...If you need...<\/b><\/p><\/td><td><p><b>Choose<\/b><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Contracts, protocols, bids in PDF<\/span><\/p><\/td><td><p><b>PAdES-LTV<\/b><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Structured data, XML invoices, B2B reports<\/span><\/p><\/td><td><p><b>XAdES-A<\/b><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">Easy validation by the customer\/official<\/span><\/p><\/td><td><p><b>PAdES-LTV<\/b><\/p><\/td><\/tr><tr><td><p><span style=\"font-weight: 400;\">High flexibility and integration with systems<\/span><\/p><\/td><td><p><b>XAdES-A<\/b><\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-095be05 elementor-widget elementor-widget-heading\" data-id=\"095be05\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Practical scenarios\n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f8ac010 elementor-widget elementor-widget-text-editor\" data-id=\"f8ac010\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">\u2714\ufe0f <\/span><b>Lease agreement signed online?<\/b><span style=\"font-weight: 400;\"> Both sides should keep their versions with maintenance, because after 3 years there could be a dispute over the deposit.<\/span><\/p><p><span style=\"font-weight: 400;\">\u2714\ufe0f <\/span><b>B2B contract with qualified signatures?<\/b><span style=\"font-weight: 400;\"> Implementing maintenance in the company repository is a minimum of security.<\/span><\/p><p><span style=\"font-weight: 400;\">\u2714\ufe0f <\/span><b>Project documentation in PDF with signatures of several people?<\/b><span style=\"font-weight: 400;\"> The PAdES-LTV format maintains completeness - each signature and timestamp can be independently verified.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b52cd28 elementor-widget elementor-widget-text-editor\" data-id=\"b52cd28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p><strong>Summary<\/strong><\/p><ul><li><span style=\"font-weight: 400;\">Both parties should independently maintain their copies of the agreement.<\/span><\/li><\/ul><ul><li><span style=\"font-weight: 400;\">Archival formats matter: <\/span><b>PAdES-LTV for PDF<\/b><span style=\"font-weight: 400;\">, <\/span><b>XAdES-A for XML<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul><ul><li><span style=\"font-weight: 400;\">Systems such as <\/span><b>WebNotarius, ArchiSafe<\/b><span style=\"font-weight: 400;\"> or <\/span><b>EuroCert LTV<\/b><span style=\"font-weight: 400;\"> enable full automation of the maintenance process - an investment in legal security.<\/span><\/li><\/ul><ul><li><span style=\"font-weight: 400;\">If the document is to last more than a year - <\/span><b>maintenance is not an option, but a necessity<\/b><span style=\"font-weight: 400;\">.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ef95c91 elementor-widget-divider--view-line_icon elementor-view-default elementor-widget-divider--element-align-center elementor-widget elementor-widget-divider\" data-id=\"ef95c91\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div 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55\n<\/a><\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e6bd9dc elementor-widget elementor-widget-heading\" data-id=\"e6bd9dc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h4 class=\"elementor-heading-title elementor-size-default\">and we will put you in touch with one of our representatives available virtually nationwide.<\/h4>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Can one party take care of signature maintenance for both? We answer what comes from the law and what comes from practice.<\/p>","protected":false},"author":322,"featured_media":7105,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[319],"tags":[320,331,330,316,296,290,301,329,304,337],"class_list":["post-7079","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cyberbezpieczenstwo","tag-cyberbezpieczenstwo","tag-cyfryzacja","tag-it","tag-konserwacja-podpisu","tag-podpis-elektroniczny","tag-podpis-kwalifikowany","tag-tozsamosc","tag-systemy-it","tag-zaufanie-cyfrowe","tag-znacznikczasu"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Jak zabezpieczy\u0107 dokument na lata? 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