This International Standard specifies the requirements for the bar code symbology known as Code 39; it specifies Code 39 symbology characteristics, data character encodation, dimensions, tolerances, decoding algorithms and application-defined parameters.
ISO/IEC 16388:1999 history
2023ISO/IEC 16388:2023 Information technology — Automatic identification and data capture techniques — Code 39 bar code symbology specification
2007ISO/IEC 16388:2007 Information technology - Automatic identification and data capture techniques - Code 39 bar code symbology specification
1999ISO/IEC 16388:1999 Information technology - Automatic identification and data capture techniques - Bar code symbology specifications - Code 39