# KvK number

Dutch Chamber of Commerce (Kamer van Koophandel) 8-digit company registration number; ISO 6523 ICD 0106.

## Definition

Dutch Chamber of Commerce (Kamer van Koophandel) 8-digit company registration number; ISO 6523 ICD 0106.

## Explanation

Often supplied alongside the OIN (Organisatie Identificatie Nummer) for Dutch B2G; OIN uses EAS scheme 0190 for public bodies.

KvK is widely used by NL-based e-invoicing platforms for matching trade-register data and supports basic VIES-style verification.

## Related resources

- [Netherlands e-invoicing guide](/resources/countries/netherlands)

## Related terms

- [EAS (Electronic Address Scheme)](/resources/glossary/eas): EN 16931 code list (CEF EAS) that says which identifier scheme — VAT-ID, GLN, OIN, etc. — is used for an electronic address.
- [ISO 6523](/resources/glossary/iso-6523): International standard that registers identifier schemes for organisations — the foundation of the EAS code list.
- [PEPPOL](/resources/glossary/peppol): A network and specifications for exchanging e-procurement documents, including e-invoices.