Pathway

Czech Citizenship by Declaration

Czech Republic Citizenship

Last updated June 12, 2026

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At a glance

Czechia's Section 31 declaration route is for children and grandchildren of certain former Czech or Czechoslovak citizens. It generally requires proof that a parent or grandparent was a qualifying former citizen, proof of the family line, and that the applicant is not a Slovak citizen when making the declaration.

Type: Citizenship by descent
Family line: People with a documented family line to the Czech Republic
Core records: Civil records linking each generation
What to know: Usually a strong right if the facts and records line up

Summary

The Section 31 declaration route of Czechia (Czech Republic) is one of the most important citizenship pathways for Czech-descent families abroad. It lets some children and grandchildren of former Czech or Czechoslovak citizens acquire Czech citizenship by declaration.

This is different from ordinary citizenship confirmation. In a confirmation case, you may already be Czech because citizenship passed to you at birth. In a Section 31 declaration case, the family chain often broke, but Czech law gives a specific parent-or-grandparent route back.

The route is not unlimited-generation ancestry. It usually depends on a parent or grandparent who was a qualifying former Czech or Czechoslovak citizen. Applicants generally cannot be Slovak citizens at the time they make the declaration.

Eligibility

You may be a fit if:

You are not already a Czech citizen.
You are not a Slovak citizen when making the declaration.
At least one parent or grandparent is or was a qualifying former Czech or Czechoslovak citizen.
You can document the parent or grandparent's Czech or Czechoslovak citizenship and the loss of that citizenship.
You can document your family line to that parent or grandparent.
No statutory exclusion applies, such as certain historic loss situations tied to German or Hungarian nationality decrees or Subcarpathian Ukraine.

If your Czech ancestor is a great-grandparent or further back, this route may still matter only if a parent or grandparent fits the former-citizen rule.

If your family history involves Subcarpathian Rus, Transcarpathia, or a person who may have remained a Czechoslovak/CSFR citizen but was never clearly Czech or Slovak, Czechia's separate Section 32 declaration route may be more relevant.

What This Route Allows

This route can help confirm or document citizenship in Czechia (Czech Republic) when the citizenship-creating facts named above are proven. For many people in this category, the main work is evidence: civil records, family-link records, prior citizenship records, and any registration or restoration paperwork needed to show the claim.

What This Route Is Not

This is not a shortcut around documentation. Even when the citizenship claim is based on a right, you still need records that prove each required fact and family link.

Next Steps

Identify whether the qualifying person is your parent or grandparent.
Gather proof of that person's Czech or Czechoslovak citizenship.
Gather proof of when and how that person lost citizenship, such as a foreign naturalization certificate or release document.
Gather birth and marriage records linking you to that parent or grandparent.
Confirm that you are not a Slovak citizen and that no exclusion applies.
Submit the Section 31 declaration through the Czech consulate or competent Czech authority.