What causes the PEPPOL-EN16931-R100 error?

Having multiple VAT categories (S + E + AE) on same invoice requires careful handling.

How do I fix PEPPOL-EN16931-R100?

Verify each VAT category is correctly applied. Invoice Navigator can propose a fix for this error, which you review and confirm before it is applied.

Is PEPPOL-EN16931-R100 a critical error?

PEPPOL-EN16931-R100 is a warning that may not always cause rejection, but it indicates a potential compliance issue that should be addressed to ensure full compatibility.

Can PEPPOL-EN16931-R100 be automatically fixed?

IN-MULTIPLE-VAT-CATEGORIES can be resolved with Invoice Navigator's guided fix workflow. The engine proposes a correction and applies it after your confirmation, with full evidence pack documentation.

Which accounting software causes PEPPOL-EN16931-R100?

PEPPOL-EN16931-R100 is commonly seen in exports from All invoicing software. These software packages sometimes generate invoices that need adjustment to meet full compliance standards.

Error codes · peppol-bis-3

IN-MULTIPLE-VAT-CATEGORIESPartly

Multiple VAT categories on invoice

This is the rejection, word for word: „[IN-MULTIPLE-VAT-CATEGORIES] Having multiple VAT categories (S, E, AE, etc.) on the same invoice requires careful validation and handling.“

What to have readyThe correct figures from your bookkeeping; we show you which field is affected.

What we doVerify each VAT category is correctly applied.

Choose the rejected invoiceor drop it here

XRechnung XML or ZUGFeRD PDF. Checking is free · corrected file €1.90 · the first every 30 days is free · no sign-up.

What the finding looks likeExample

FindingNeeds your check · IN-MULTIPLE-VAT-CATEGORIES

Location//cac:TaxTotal/cac:TaxSubtotal

From youThe correct figures

ThenChecked again

ProofSHA-256 and /verify link after the check

Often appears together with

BR-CO-10Sum of Invoice line net amount (BT-106) = Σ Invoice line net amount (BT-131)BR-CO-14Invoice total VAT amount must equal the sum of VAT category tax amounts