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ICAO 9303

The International Civil Aviation Organization's Machine Readable Travel Documents standard (8th edition, 2021), specifying MRZ field structure, OCR-B font, check-digit algorithm, biometric chip data groups, and security printing minimum specifications for passports and associated travel documents.

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Related terms

BAC (Basic Access Control)Check-digit algorithmFADO (False and Authentic Documents Online)KINEGRAMMRZ (Machine-Readable Zone)Passive Authentication (PA)Photo substitutionPolycarbonate biographical pageSLTD database

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