This International Standard specifies the requirements for the bar code symbology known as Code 39; itspecifies Code 39 symbology characteristics, data character encodation, dimensions, tolerances, decoding algorithms and parameters to be defined by applications. It specifies the Symbology Identifier prefix strings forCode 39 symbols
DS/ISO/IEC 16388:2007 history
2007DS/ISO/IEC 16388:2007 Information technology - Automatic identification and data capture techniques - Code 39 bar code symbology specification