Serial number (GS1 AI 21)
ID gs1_ai_21
DatatypeNot PIIidentifierDraft
This record is a draft: it has not been reviewed yet and may be incomplete or wrong. Do not rely on it for compliance decisions. Help improve it (see CONTRIBUTING.md).
GS1 element string of Application Identifier (21): '21' followed by the serial number of one instance of a trade item, up to 20 characters of GS1 character set 82. GS1 format N2+X..20. With the GTIN in AI (01) it identifies one item, the serialised GTIN (SGTIN). It is a key qualifier in GS1 Digital Link. In the human-readable text under a barcode it is written as (21) and the value.
- Categories
- GS1 standards, Objects identifiers
- Countries
- Global (not tied to a country)
- Languages
- Common to most languages
- GS1 Application Identifier
(21)- Quality
- 85/100 · missing: translation, detector coverage
- Metacrafter rules
- no detection rule yet
- Supported by tools
- no tool record lists this type yet
Regular expression
^21[!%-?A-Z_a-z\x22]{1,20}$Python re syntax.
Examples
| Value | Description |
|---|---|
| 21SN58213X | Serial number SN58213X |
| 217XK29 | Serial number 7XK29 |
| 21AAAAAAAAAAAAAAAAAAAAA invalid | Serial number longer than 20 characters |
Sources
Use this record
- Page URL:
http://registry.apicrafter.io/datatype/gs1_ai_21 - JSON: API v1 · legacy shape (used by metacrafter) · Markdown (for LLMs)
- Improve it: edit
data/datatypes/any/gs1/gs1_ai_21.yamlon GitHub