The taxman reveals the cards. This is worth knowing

The National Tax Administration systematically informs about new products that it plans to introduce in its e-services. This time is no different. We have just learned the plans for the first and second quarter of 2026.

We present information about implementations planned for the first and second quarter of 2026 that are important from the point of view of customers of the National Tax Administration (KAS).

Of course, the most important change concerned the implementation of the National e-Invoice System 2 (KSeF). This is valid from February 2, 2026 for large entrepreneurs and those receiving invoices. From April 1, it will also come into force for all other companies. The last date is January 1, 2027. from this date, the KSeF will also apply to previously dismissed entrepreneurs (up to PLN 10,000 per month).

However, the tax office’s plans do not end there. In addition, the tax office also plans to: