GB/T 38662-2020Identification system for internet of things—Guideline for Ecode identification applications (English PDF)

8.1 General Rules

Ecode encoding may be stored in a variety of data carriers, such as: one-dimensional barcode, two-dimensional barcode, RFID tag and NFC tag, etc. When using one-dimensional barcode, two-dimensional barcode and NFC tag as the carrier, usually "E = V + NSI + MD" is written into the tag as a whole. When using RFID as the carrier, specific regulations may be made in accordance with the differences of the air-transmitted tag protocol and tag storage structure. The acquisition of Ecode encoding shall adopt corresponding automatic identification data collection tools in accordance with the carrier format.

8.2 Storage in One-dimensional Barcode

One-dimensional barcode identification is expressed in code 128. The specific method of expression shall comply with the stipulations of GB/T 35419; the sequence from left to right is successively: left blank area, start character, Ecode start character, Ecode, symbol verification character, terminator, right blank area. The symbol structure shall comply with GB/T 18347, as it is shown in Table 1. information will be returned to the Ecode platform. The encoding information may be returned online and by uploading attachments.

9.5 Query and Backtracking

The Ecode platform provides an encoding query module, which is equipped with the functions of Ecode encoding query, product query and express delivery query. The service platform also provides online product traceability functions for corporate users.

9.6 Parsing

Ecode encoding parsing shall comply with the stipulations of GB/T 36605.

The Ecode registration parsing system provides an archival database, which is equipped with the function of information storage, for example, information of registered registrants and authorized identifiers. Registration management functions, such as: registration application acceptance, review, approval, publicity and release, should be provided.

9.7 Platform Access

The Ecode platform provides two access modes, namely, Web mode and interface mode. In the Web mode of access, after users log in to the Ecode platform, access is implemented through the platform's Webpage function. In the interface mode, a third-party platform that provides the Ecode encoding services to users or enterprises adopts the mode of HTTP protocol interface to implement access. The mode of access shall comply with the stipulations of GB/T 36604.

10.1 Ecode Management Institution

Ecode registration and management institution is the national article numbering management institution, whose responsibility is to manage the registration and application of Ecode encoding; maintain Ecode registration information and encoding data.

10.2 Maintenance of Registration Information

When the applicant's registration information changes, the applicant may submit an application for change to the national article numbering management institution. The article numbering management institution shall regularly verify the information of registered applicants. When the encoding scheme corresponding to the applied Ecode header is no longer used, the Ecode header will be marked for deletion. Ecode header marked for deletion will no longer be used for new applicants. […]