90.20 Standard under periodical review Jul 15, 2026
ISO/IEC
ISO/IEC JTC 1/SC 31 Automatic identification and data capture techniques
International Standard
35.040.50 Automatic identification and data capture techniques
Published
This document defines the requirements for the symbology known as Han Xin Code. It specifies the Han Xin Code symbology characteristics, data encoding process, symbol structure, dimensions and print quality requirements, error correction rules, reference decoding algorithm, and user-selectable application parameters.
PUBLISHED
ISO/IEC 20830:2021
90.20
Standard under periodical review
Jul 15, 2026