THIS DOCUMENT IS NOT CURRENT. AIM BC1-1995 - USS Code 39 contains historical information that is referenced in ISO/IEC 16388:2007-Code 39 bar code symbology specification. Those who wish to implement Code 39 should follow the ISO document (ISO/IEC16388:2007-Code39). This AIM document is appropriate for someone who has historical interest in the Code39 specification. Publication Date 1995 This product is a single user license only. Copying and/or networking is prohibited. By purchasing this product, you agree to abide by the AIM End User License Agreement.