Codabar encodes all-numeric data and has four unique start/stop characters which can convey additional information. Character encodation (including traditional Codabar), reference decode algorithm and optional check character calculation are included in this document. This specification is intended to be significantly identical to the corresponding Commission for European Normalization (CEN) specification. 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.