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PESEL (Polish ''Powszechny Elektroniczny System Ewidencji Ludności'', Universal Electronic System for Registration of the Population) is the national identification number used in Poland since 1979. It always has 11 digits, identifies just one person and cannot be changed to another one (except some specific situations). The PESEL number is mandatory for all permanent residents of Poland and for temporary residents living in Poland for over 2 months. After the 1st March 2015, applicants for Polish passport without a PESEL number will need to apply for PESEL prior to passport application. Otherwise, without a PESEL number, passport application and fingerprints cannot be taken.〔http://www.telawiw.msz.gov.pl/en/news/passport_information〕〔http://sydney.msz.gov.pl/pl/aktualnosci/wazna_informacja_dla_osob_ubiegajacych_sie_o_wydanie_paszportu_〕 The PESEL was the system designed by the communist government (during PRL) to trace a personal information about every citizen. Itself is the direct "child" of the previous system MAGISTER (called identically like msc. studies degree in Poland), which was designed to trace and record data about "most dangerous to system and communist power" people, which basically as a danger was treated everyone with university degree.〔http://translate.googleusercontent.com/translate_c?hl=pl&ie=UTF8&prev=_t&rurl=translate.google.com&sl=pl&tl=en&u=http://techtrendy.pl/title,Permanentna-inwigilacja-telefon-twoj-osobisty-szpieg,wid,14786741,wiadomosc.html%3Fticaid%3D5ede9&usg=ALkJrhgyAGSfX9cF9-n3EA9gDwTGm3vRLg〕 It has the form of YYMMDDZZZXQ, where YYMMDD is the date of birth (with century encoded in month field), ZZZ is the personal identification number, X denotes sex (even number for females, odd number for males) and Q is a check digit, which is used to verify whether a given PESEL is correct or not. Having a PESEL in the form of ABCDEF GHIJK, one can check the vailidity of the number by computing the following expression: A *1 + B *3 + C *7 + D *9 + E *1 + F *3 + G *7 + H *9 + I *1 + J *3 Then the last digit of the result should be subtracted from 10. If the result of the last operation is not equal to the last digit of a given PESEL, the PESEL is incorrect. This system works reliably well for catching one-digit mistakes and digit swaps. Checking validity of PESEL: 44051401358 (number 8, the last digit, is the check digit for this PESEL): 1 * 4 + 3 * 4 + 7 * 0 + 9 * 5 + 1 * 1 + 3 * 4 + 7 * 0 + 9 * 1 + 1 * 3 + 3 * 5 = 101 Getting the last digit of the result (101 modulo 10): 101/10 = 10 remainder 1 In order to get the check digit one need to take the 10s complement of the number. It is 0 if the modulo result is 0, otherwise it means the modulo result has to be subtracted from 10. 10 - 1 = 9 9 is not equal to the last digit of PESEL, which is 8, so the PESEL contains errors. ==Birthdates== The PESEL system has been designed to cover five centuries. To distinguish people born in different centuries, numbers are added to the MM field: *for birthdates between 1900 and 1999 - no change to MM field is made (see below) *for other birthdates: * *1800-1899 - month field is increased by 80 * *2000-2099 - 20 * *2100-2199 - 40 * *2200-2299 - 60 For example, a person born on December 24, 2002 would have a PESEL number starting with 023224 and person born on December 24, 1902 would have a PESEL number starting with 021224. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「PESEL」の詳細全文を読む スポンサード リンク
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