On the back can be found the holder's place of birth (city or village in Poland or foreign country's name), date of issue, repeated card number, issuing authority, legal ascendant(s) name(s) and personal number (PESEL – Powszechny Elektroniczny System Ewidencji Ludności[1] – universal electronic population database).

The Polish identity card also functions as a travel document within Europe (except Belarus, Russia, Ukraine and United Kingdom) as well as French overseas territories, Turkey, Georgia and Montserrat (for max.

The pre-1928 "Polish identity card" took the form of a cardboard sheet folded in half and contained personal data, photography, occupation, religion, literacy information and description.

Over time, evidence grew into a 16-page booklet in a cardboard cover, of which 11 pages were intended for credentials of reports.

It was issued by commune offices at the request of interested persons for a fee of 60 groszy and was not mandatory (art.

After the fall of communism in Poland, internal passport booklets continued to be issued until 2001, when a plastic card design was introduced.

The security features include a small map of Poland at the top centre which changes colour between green and violet depending on the viewing angle.

The basic e-signature (recognised the same as handwritten signature by all public facilities, like municipal offices, central administration, courts etc.)

[5] Issuer of the document won't publish the code that uses OpenSC, because of "national security concerns".