Payers who paid exempt income or income not taxed, in accordance with an international treaty, abroad in 2025 should not forget their obligation to report these revenues for 2025 by Monday, February 2, 2026.

The thing is that the obligation to file a report applies not only to income from which the tax has actually been withheld, but also to particular types of income that are exempt from tax or that are not taxed at all in the Czech Republic in accordance with an international treaty. Specifically, these include profit shares, interests, and royalties and license fees.

While income from paid profit shares and royalties must always be reported regardless of their amount, in the case of paid interests, a report is only required if the value of such revenues exceeded the amount of CZK 300,000 in at least one calendar month of 2025.