DIN EN IEC 61406-1 VDE 0810-406-1:2023-12

This standard specifies minimum requirements for a globally unique identification of physical objects which also constitutes a link to its related digital information. This identification is designated hereinafter as “Identification Link” (IL), with the encoded data designated as IL string. The IL string has the data-format of a link (URL/URI). The IL is machine-readable and is attached to the physical object in a 2D symbol or NFC tag. The requirements in this standard apply to physical objects
that are provided by the manufacturer as an individual unit, and that have already been given a unique identity by the manufacturer. This standard does not specify any requirements on the content and the layout of nameplates/typeplates (e.g. spatial arrangement, content of the plain texts, approval symbols etc.).