This International Standard specifies the requirements for the bar code symbology known as PDF417. It specifies PDF417 symbology characteristics, data character encodation, symbol formats, dimensions, error correction rules, decoding algorithm, and a number of application parameters.
ISO/IEC 15438:2001 history
2015ISO/IEC 15438:2015 Information technology - Automatic identification and data capture techniques - PDF417 bar code symbology specification
2006ISO/IEC 15438:2006 Information technology - Automatic identification and data capture techniques - PDF417 bar code symbology specification
2001ISO/IEC 15438:2001 Information technology - Automatic identification and data capture techniques - Bar code symbology specifications; PDF417