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#Passport number validation check code#
Issuing country or organization ( ISO 3166-1 alpha-3 code with modifications) Type (for countries that distinguish between different types of passports)
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The only characters used are A–Z, 0–9 and the filler character <. The data of the machine-readable zone consists of two rows of 44 characters each. Passport booklets have an identity page containing the identity data. Page of a passport with machine-readable zone in the red oval ( US passport pictured) These passports are called biometric passports and are also described by ICAO 9303. This enables faster processing of arriving passengers by immigration officials, and greater accuracy than manually read passports, as well as faster data entry, more data to be read and better data matching against immigration databases and watchlists.Īpart from optically readable information, many passports contain an RFID chip which enables computers to read a higher amount of information, for example a photo of the bearer.
#Passport number validation check software#
There are also two sizes of machine-readable visas similarly defined.Ĭomputers with a camera and suitable software can directly read the information on machine-readable passports. There is room for optional, often country-dependent, supplementary information. All these fields are required on a passport. The fixed format allows specification of document type, name, document number, nationality, date of birth, sex, and document expiration date.
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