# ISO 6523 Electronic Address Scheme (EAS) Participant Registry
> Query active ISO 6523 Electronic Address Scheme (EAS) codes and participant identifier validation formats across all Peppol jurisdictions.

- **Canonical URL:** https://stanzaapi.com/tools/peppol-validator/registries/iso-6523-eas-schemes
- **Governing Standard:** Peppol BIS Billing 3.0 / EN 16931 (OpenPeppol AISBL & CEN TC 434)
- **Latency:** <1ms Edge
- **Privacy:** In-memory execution only (zero data stored or logged)

## Technical Overview & Governing Rules
The EAS code list defines the 4-digit scheme identifiers used in Peppol Participant Identifiers (e.g. iso6523-actorid-upis::0208:0987654321).

Includes official country routing rules, scheme names, validation expressions, and regulatory authorities.

## Specification Matrix
| Scheme ID | Country | Scheme Name | Identifier Format |
| --- | --- | --- | --- |
| 0088 | Global | EAN Location Code (GLN) | 13-digit GS1 GLN |
| 0204 | DE | Leitweg-ID | German public administration routing code |
| 0208 | BE | CBE / KBO Number | 10-digit Belgian enterprise number |
| 9930 | DE | German VAT Number | DE + 9 digits |
| 9957 | FR | French SIRET | 14-digit French enterprise identifier |

## Standard JSON Response Model
```json
{
  "schemeId": "0204",
  "name": "Leitweg-ID",
  "countryCode": "DE",
  "description": "German Public Sector Routing Identifier"
}
```

## Frequently Asked Questions & Edge Cases
### Q: How do I query EAS schemes by country?
**A:** Send a GET request to `/api/v1/eas-schemes?country=DE` to filter schemes specific to Germany along with global identifiers like 0088 (GLN).