Nostrification is the procedure of recognizing the high school diploma by the Education Office obtained at a university in another country.
Follow the link to receive more information about required documents: https://kuratorium.krakow.pl/recognition-of-certificate-issued-abroad/
The condition for obtaining a student ID card is to provide a complete set of documents subjected to the nostrification process.
Since the moment of arrival to the University Students has 4 months for nostrification process.
*the nostrification is required only for students at the Bachelor and Engineering level.