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BS ISO/IEC 16390:2007
Information technology. Automatic identification and data capture techniques. Interleaved 2 of 5 bar code symbology specification (British Standard)
ISO/IEC 16390:2007 specifies the requirements for the bar code symbology known as Interleaved 2 of 5; it specifies Interleaved 2 of 5 symbology characteristics, data character encodation, dimensions, tolerances, decoding algorithms and parameters to be defined by applications. It specifies the Symbology Identifier prefix strings for Interleaved 2 of 5 symbols.
British Standards Institution [bsi]