Editing National identification number (section)

=== Poland ===
{{Main|PESEL}}
In [[Poland]], a Public Electronic Census System ({{langx|pl|Powszechny Elektroniczny System Ewidencji Ludności}} - PESEL) number is mandatory for all permanent residents of Poland and for temporary residents living in Poland for over 2&nbsp;months. It has the form YYMMDDZZZXQ, where YYMMDD is the date of birth (with century encoded in the month field), ZZZ is the personal identification number, X denotes sex (even for females, odd for males) and Q is a [[check digit]].