ISO/IEC 18004:2006
Information technology — Automatic identification and data capture techniques — QR Code 2005 bar code symbology specification
Reference number
ISO/IEC 18004:2006
Edition 2
ISO/IEC 18004:2006
Withdrawn (Edition 2, 2006)


ISO/IEC 18004:2006 defines the requirements for the symbology known as QR Code 2005. It specifies the QR Code 2005 symbology characteristics, data character encoding methods, symbol formats, dimensional characteristics, error correction rules, reference decoding algorithm, production quality requirements, and user-selectable application parameters, and lists in an informative annex the features of QR Code Model 1 symbols which differ from QR Code 2005.

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