
KSeF – How to Use It. A Guide for Entrepreneurs
January 13, 2026
Do you meet the requirements for using a virtual cash register? Check before choosing a fiscal solution.
March 8, 2026Withdrawal of selected iPOS models - important information in the context of KSeF

Businesses using iPOS devices have received important information regarding future technical support. Selected, older models of cash registers and cash register terminals iPOS Pocket, iPOS Smart and iPOS Duet are being gradually withdrawn from the offer and will not be developed in terms of new functions, including integration with the National e-Invoice System (KSeF).
In practice, this means that these devices will not receive the support needed to fully manage the new invoicing obligations in the KSeF system. And remember, in the coming years, using KSeF will become mandatory for most companies in Poland. Therefore, it's worth checking today whether the equipment you're using will comply with the upcoming regulations.
If you sell and issue invoices, no compatibility with KSeF may require an urgent device replacement in the future. It's better to plan such a change in advance to avoid time pressure.
What should you do?
If you use models iPOS Pocket, Smart or Duet – it is worth analyzing your situation and considering replacing the device with a model fully prepared to support KSeF and future system updates. Modern cash registers i cash register terminals ensure not only compliance with regulations, but also greater work convenience and data security.




