PEPPOL-COMMON-R056-2

Layer peppol·Checked against Peppol BIS Billing 3.0 2026.5

What does PEPPOL-COMMON-R056-2 mean? Dutch VAT numbers MUST have the format (NL123456789B12).

Why did my invoice fail PEPPOL-COMMON-R056-2?

Dutch VAT numbers must have the format NL123456789B12: the NL country prefix, nine digits, the letter B, and two digits. This is the same Dutch VAT pattern as PEPPOL-COMMON-R056-1, applied where the VAT number appears as a tax registration rather than an endpoint identifier.

Official rule text

Dutch VAT numbers MUST have the format (NL123456789B12).

Common causes

NL prefix omitted from the seller or buyer VAT registration
Lowercase b or missing two-digit suffix
Nine-digit BSN/fiscal number used without the B-suffix structure

How do I fix it?

<cac:PartyTaxScheme>
  <cbc:CompanyID>NL123456789B12</cbc:CompanyID>
  <cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme>
</cac:PartyTaxScheme>

Related rules

PEPPOL-COMMON-R056-1

Check your invoice against this rule

Paste it into the live demo, or call POST /v1/validate. See the quickstart.