NL-02:Dutch VAT numbers must be in correct format
Fix: Review your Invoice XML structure and correct the issue described by this rule. Check relevant cbc: and cac: elements per NLCIUS (Netherlands) (NL-02).
Dutch VAT numbers must be in correct format. This validation rule ensures Invoice compliance with NLCIUS (Netherlands).
Engine Classification
Financial or legal field · Modification blocked by policy
What is NL-02?
NL-02 is a warning validation rule defined in the NLCIUS (Netherlands) specification (NLD national rules).
The invoice may pass transmission, but this non-compliance can cause problems during tax audits or buyer-side processing.
Why This Error Matters
Dutch e-invoicing regulations require this for legal compliance. Invoices missing this information may be rejected by Dutch government portals and business partners.
NL-02 is a soft failure that can cause issues at the receiving end — tax audits, ERP processing, or VAT reconciliation mismatches.
Validator Behavior
- ·Generates validation warning
- ·Error returned: NL-02
- ·Specification: NLCIUS (Netherlands)
How to Fix It
Identify the issue in your invoice
Dutch VAT numbers must be in correct format. This validation rule ensures Invoice compliance with NLCIUS (Netherlands).
Correct this in your invoicing software
Review your Invoice XML structure and correct the issue described by this rule. Check relevant cbc: and cac: elements per NLCIUS (Netherlands) (NL-02).
Re-export and validate
Generate a new invoice export from your accounting system and re-validate to confirm NL-02 is resolved.
Before / After
<Invoice> <!-- Issue: Dutch VAT numbers must be in correct format --> </Invoice>
<Invoice> <!-- Issue resolved per NLCIUS (Netherlands) --> </Invoice>
Technical Reference
Seeing this in production? The API handles NL-02 automatically. See the fix response →
Frequently Asked Questions
Dutch VAT numbers must be in correct format. This validation rule ensures Invoice compliance with NLCIUS (Netherlands).
Review your Invoice XML structure and correct the issue described by this rule. Check relevant cbc: and cac: elements per NLCIUS (Netherlands) (NL-02). You can also use Invoice Navigator's compliance engine to correct this automatically in your pipeline.
NL-02 is a warning that may not always cause rejection, but indicates a compliance issue.
Many instances of NL-02 can be automatically corrected using Invoice Navigator's compliance engine. The fix is applied in your pipeline with full audit evidence.
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Last updated: 14 April 2026
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