With mandatory e-invoicing in Slovakia from January 1, 2027, it will not be enough to send an invoice by email as a PDF. The invoice will have to be in the form of structured data that can be processed by the accounting system, business partner and financial administration.
Peppol will play an important role in ensuring that these systems can transfer data securely.
Peppol unifies the transmission of billing data
Peppol is a European network and standard for the electronic exchange of business documents. In e-invoicing, it ensures that billing data is transmitted in a unified data format.
The supplier can issue an e-invoice in their system and the customer can accept it in their system, even if they use a different ERP or accounting solution. Peppol does not deal with the appearance of the invoice. What is important is that the invoice contains the correct data in the correct structure .
How Peppol works with e-invoicing
The e-invoice is created in a company system or a simple application. It is then received by a digital postman, checked for format, and sent via the Peppol network to the correct recipient.
At the same time, selected data is transferred to the financial administration in accordance with the rules of Slovak e-invoicing. Peppol thus creates a data and delivery infrastructure through which companies, their systems, digital postmen and the financial administration can transfer billing data in the same standard.
Does a company have to join Peppol itself?
In most cases, no. The company will choose a digital postman who will provide the connection to Peppol and the delivery service itself.
The digital postman takes the e-invoice from the system or application, verifies its accuracy, delivers it to the recipient and returns information about the status of the document. The company does not have to deal with a direct technical connection to the infrastructure that the Slovak financial administration will require, it only needs to connect to a certified delivery service provider (digital postman).
Peppol also applies to receipt of invoices
Preparing for e-invoicing does not only concern issuing documents. All companies and self-employed persons affected by the obligation must also be able to receive e-invoices. It will be important to verify here whether the current system can work with the new data format. If not, the company can use the digital postman via a simpler application or by connecting to the existing system.
GRiT will ensure connection to Peppol
GRiT is a certified Peppol Access Point and digital postman for Slovak e-invoicing. It will help companies send and receive e-invoices, check the format, deliver them to the recipient, transfer data to the financial administration, and connect to existing systems.
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