The application should be submitted to the voivode competent for the place of residence or last place of residence in Poland, and when that is missing – to the voivode of Mazovia.

If a foreigner lives abroad, they may apply through the Polish consul competent for their place of residence.

Note! Pursuant to the provisions of law, the obligation to provide data, information and documents that will allow to determine the factual and legal status regarding the possession (or not) of Polish citizenship rests with the person concerned.

The application model and additional information about the required documents can be found, among others, here: https://www.gov.pl/web/uw-mazowiecki/potwierdzenie-posiadania-lub-utraty-obywatelstwa-polskiego

An appeal against the Voivode’s decision may be submitted to the Minister of the Interior, via the Voivode, within 14 days from the delivery of the negative decision.