In the National e-Invoicing System (KSeF), of which obligation will cover most entrepreneurs as of April 1, 2026 (and the largest entities as early as February 1, 2026), companies face not only technical but also procedural challenges .
In this context Qualified seal gives access to KSeF and secures company data, while also answering the key questions of entrepreneurs: jHow to secure the data sent to KSeF? and can invoices be automatically generated in KSeF?
A qualified electronic seal is a digital trust service that legally represents an entire organization. It is like giving company stamp cryptographic superpowers.
Unlike kvalified electronic signature (QES), which is assigned to a specific individual, QSeal is an authentication method dedicated to entities that are not natural persons (PNFs). It is assigned the number NIP and the name of the entity.
For companies that want to fully automate the invoicing process and most importantly - manage their authorizations in the system - a qualified electronic seal is the easiest way to get there.
As envisioned in KSeF, an entity that authenticates to the system with a qualified electronic seal, automatically acquires a full range of ownership rights.
What does this mean in practice?
If you're wondering, Can invoices be automatically generated in KSeF? - Yes, and the Qualified Electronic Seal (QSeal) makes it easy.
Automatic dispatch of invoices structured (XML) from your accounting program or system ERP (enterprise resource management system) is done through an interface API KSeF (application programming interface).
For this communication to be secure and continuous, the company must generate access keys. Qualified Electronic Seal is the ideal tool to generate Certificate KSeF (Type 1 for authentication, Type 2 for mode OFFLINE ) on the company's NIP. Since the stamp is assigned to the company, you minimize the risk that the invoicing process will be interrupted by staff turnover.
A qualified electronic seal, as a trusted service, uses advanced cryptographic techniques and is one of the legally recognized methods of authentications. The use of the seal guarantees that:
Below is a brief overview of the differences between the QSeal and QES. More on differences Between a qualified seal and a signature, we wrote here.
Feature | Qualified Electronic Seal (QSeal) | Qualified Electronic Signature (QES) |
For whom? | Entity (company, foundation, association). | Individual (e.g., chairman, accountant). |
Role in KSeF | Automatic ownership rights, API process authorization. | Authentication of the administrator, login of an individual. |
Uniqueness | Equivalent to the imprinted seal (represents the organization). | Equivalent to a handwritten signature (represents a person). |
By choosing a qualified electronic seal (QSeal), you are investing in a solution that is ideal for integration with systems ERP, guaranteeing business continuity i security transactions, while minimizing administrative procedures.
Contact podpisano.pl to learn how to implement a qualified electronic seal (QSeal) in your organization quickly and efficiently, with guaranteed KSeF 2.0 compliance.
