The acquisition of Polish citizenship by virtue of the law
A minor acquires Polish citizenship by birth if
- at least one of his/her parents is a Polish citizen;
- he/she was born in the territory of the Republic of Poland, and his/her parents are unknown, hold no citizenship or their citizenship is undefined.
A minor acquires Polish citizenship if he/she was found on Polish territory, and his/her parents are unknown.
A minor foreigner adopted by a person or persons holding Polish citizenship, acquires Polish citizenship if the full adoption took place before the minor attained the age of sixteen. In this case it is assumed that the minor foreigner acquired Polish citizenship on the date of his/her birth.