ISO/IEC 15420
ISO/IEC 15420 - Information technology - Automatic identification and data capture techniques - EAN/UPC bar code symbology specification
Overview
Defines the bar pattern, guard structure, L/G/R-code module patterns, parity selection table, decode algorithm, and dimensional tolerances for the EAN/UPC family of barcodes: EAN-13, EAN-8, UPC-A, UPC-E, plus the 2- and 5-digit add-on supplements.
Why it matters for RFID
The authoritative reference for every retail point-of-sale barcode worldwide. Every EAN-13, EAN-8, UPC-A, or UPC-E barcode on a product is rendered to the rules in this standard.