Czech Republic – Tax Return Deadlines for 2026

1. Income Tax Return for Freelancers (OSVČ)
Applies to: Freelancers, živnostníci (sole traders), and anyone with side income (like from crypto, rentals, or foreign gigs).
Filing Type Deadline
Standard (paper filing) April 1, 2026
Electronic filing May 3, 2026 (May 1 is a public holiday)
Through tax advisor July 1, 2026 (if your advisor is registered by March 31)
2. Corporate Income Tax (s.r.o. and other legal entities)
Applies to: Limited companies (s.r.o.), branches of foreign companies, etc.
Filing Type Deadline (calendar year)
Standard April 1, 2026
Electronic filing May 3, 2026 (due to May 1 holiday)
Through tax advisor July 1, 2026
Have a different fiscal year? The deadline is usually 3 months after your fiscal year ends—or 6 months if filing through a registered tax advisor.
This information is for reference only. Always consult with a qualified tax professional for your specific situation.

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