Not tax advice. Computation tools only. Have a professional review before filing.
openaccountants
tax-calendar/cz/cz-osvc-april-30
CZSelf-employed

OSVČ Daňové Přiznání

Czech Republic's annual tax return deadline for OSVČ (self-employed) when filed electronically. Paper deadline is April 1.

Filing deadline

April 30, 2026

Country
Czech Republic
Tax year
2025
Paper filing
2026-04-01
Official
Tax authority

What is this deadline?

OSVČ (Osoba Samostatně Výdělečně Činná) — self-employed person's annual income tax return. Electronic filing extends to April 30; paper deadline April 1.

How to file

What people miss

  • Paušální daň flat-tax regime — one monthly payment covers income tax + social + health
  • Sociální (social insurance) and zdravotní (health insurance) separate declarations

Prepare this return with open-source skills

These skills are in the OpenAccountants repo. Clone them into Claude, Cursor, or any AI agent and they handle the computation.

czech-republic-vat-return.mdCZ

Use this skill whenever asked to prepare, review, or classify transactions for a Czech Republic VAT return (Priznani k DPH) or Control Statement (Kontrolni hlaseni) for any client. Trigger on phrases like "prepare VAT return", "do the DPH", "fill in DPH", "Czech VAT", "kontrolni hlaseni", or any request involving Czech VAT filing. This skill covers Czech Republic only and standard DPH registration. MUST be loaded alongside BOTH vat-workflow-base v0.1 or later AND eu-vat-directive v0.1 or later. ALWAYS read this skill before touching any Czech VAT work.

This page is informational only and not tax advice. Verify dates and requirements against the official tax authority before filing.

All Czech Republic deadlinesGlobal calendar