Time to pay taxes in Czechia: Common mistakes to avoid and deadlines to know

Each year, tax offices report the same recurring mistakes, many of which can lead to delays, missed refunds, or even penalties.

Expats.cz Staff

Written by Expats.cz Staff Published on 25.03.2026 12:30:00 (updated on 25.03.2026) Reading time: 3 minutes

There is a week left in Czechia to file your income tax return for last year in paper form. Tax offices will extend their office hours starting Monday. They will remain open until April 1, which is the last day to file your return. Taxes must also be paid by the filing deadline.

Filing a tax return in Czechia can be confusing for Czechs and international alike, reports finance site Penize.cz. Each year, tax offices report the same recurring mistakes, many of which can lead to delays, missed refunds, or even penalties.

From forgotten signatures to incorrectly claimed tax breaks, small errors can have costly consequences. Here’s what to watch out for, and the key deadlines to keep in mind.

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