---
id: "gs1_ai_8019"
kind: "datatype"
status: "draft"
is_pii: false
categories: ["gs1"]
langs: ["common"]
quality: 85
url: "http://registry.apicrafter.io/datatype/gs1_ai_8019"
---

# Service Relation Instance Number (SRIN) (GS1 AI 8019) (`gs1_ai_8019`)

> **Draft.** Draft records have not been reviewed yet and may be incomplete or wrong; do not treat them as authoritative for legal or compliance decisions.

GS1 element string of Application Identifier (8019): '8019' followed by up to 10 digits that identify one instance of the service relationship whose GSRN is in AI (8017) or (8018). GS1 format N4+N..10. It is a key qualifier in GS1 Digital Link. In the human-readable text under a barcode it is written as (8019) and the value.

- Personal data (PII): no
- Categories: GS1 standards (gs1)
- Countries: global
- Languages: Common to most languages (common)
- Classification: identifier

## Detection

Regular expression (Python `re`):

```
^8019\d{1,10}$
```

## Examples

- `801957` — Instance 57
- `80191204` — Instance 1204
- `8019A57` (invalid example) — Not numeric

## Mappings

- gs1_ai: `8019`

## Sources

- doc: <https://ref.gs1.org/ai/8019>

## Quality

Score 85/100. Missing: translation, detector coverage.

JSON: <http://registry.apicrafter.io/api/v1/datatypes/gs1_ai_8019.json> · Edit: <https://github.com/apicrafter/metacrafter-registry/edit/main/data/datatypes/any/gs1/gs1_ai_8019.yaml>