E-Invoice Error Reference

1375+ documented errors for Peppol, UBL, CII, and EN16931 validation errors.

Business Rules Country-Specific Syntax Errors Format Rules

CountryFrance Germany Italy Netherlands Belgium Spain Poland

1375 errors found · Page 9 of 28

errorBR-CO-13EN 16931AUTO-FIX

Tax amount calculation error

The VAT amount must equal TaxableAmount × Rate / 100 (with rounding).

infoIN-UNIT-CODESPeppol BIS 3.0BLOCKED

Unit of measure codes validation

Unit codes should be from UN/ECE Recommendation 20

errorSIZE-001BLOCKED

Invoice file too large to process

Your invoice file exceeds the 10MB size limit and cannot be validated or processed. This usually happens when large attachments (PDFs, images) are embedded directly in the XML file.

errorBR-PL-02POLksefBLOCKED

Invalid KSeF invoice type

Polish KSeF invoices must use valid invoice type codes.

errorCII-SR-05cii-d16bBLOCKED

ApplicableHeaderTradeAgreement required

CII must specify seller and buyer.

errorFACE-003ESPFacturaeBLOCKED

Digital signature invalid

Facturae requires XAdES-EPES digital signature with a valid Spanish digital certificate (certificado digital) from an accredited CA.

errorFACE-004ESPSIIBLOCKED

SII deadline exceeded

SII (Suministro Inmediato de Información) subjects must report invoices within 4 days of issue. Late submissions are flagged.

errorFACE-005ESPFacturaeBLOCKED

IVA calculation mismatch

Tax calculation must be correct: base imponible × tipo = cuota. Spanish IVA rates are 21% (general), 10% (reduced), 4% (super-reduced), 0% (exempt).

errorKSEF-002POLKSeFBLOCKED

Invoice date too old for KSeF

Invoice issue date cannot be more than 30 days before KSeF submission date. Older invoices will be rejected by the system.

errorKSEF-003POLKSeFBLOCKED

Invoice number sequence gap

Invoice numbers must be sequential without gaps within each calendar year. KSeF rejects invoices with numbering gaps or duplicates.

errorBR-DE-19DEUXRechnung (Germany)BLOCKED

German IBAN format required

German bank account should be valid IBAN.

errorBR-DE-30DEUXRechnung (Germany)BLOCKED

SEPA creditor identifier required

SEPA direct debit requires creditor identifier.

errorBR-DE-31DEUXRechnung (Germany)BLOCKED

SEPA debtor account required

SEPA direct debit requires debtor IBAN.

errorBR-CO-14EN 16931AUTO-FIX

Invoice total VAT amount must equal the sum of VAT category tax amounts

BR-CO-14 fires when the document-level VAT total (BT-110, cac:TaxTotal/cbc:TaxAmount) does not equal the sum of the VAT category tax amounts (BT-117, each cac:TaxSubtotal/cbc:TaxAmount). It is the aggregation sibling of BR-CO-17 (which validates one category at a time) and one of the most common Peppol calculation failures, because a single off-by-0.01 in any TaxSubtotal cascades up into this total.

warningPL-R-007POLubl-2.1INPUT

Split payment annotation required

High-value Polish invoices may require split payment notation.

errorBR-FR-01FRApeppol-bis-3INPUT

SIRET number format

French invoices must include SIRET (14 digits) with schemeID="0009" for company identification. SIRET is mandatory for all French business invoices.

errorBR-08EN 16931INPUT

Seller must have postal address

An Invoice shall contain the Seller postal address (BG-5). At minimum, the country code is required.

errorPL-R-005POLubl-2.1INPUT

Invalid Polish NIP format

Polish NIP must be 10 digits with valid checksum.

warningBR-BE-01BELpeppol-bis-3INPUT

Enterprise Number Recommended

Belgian invoices should include the 10-digit enterprise number (ondernemingsnummer) formatted as 0XXX.XXX.XXX.

errorFI-R-001FINpeppol-bis-3INPUT

Finnish Business ID required

Finnish invoices must include Y-tunnus (business ID).

errorIT-R-005ITAubl-2.1INPUT

Invalid PEC email format

Italian PEC email must be valid certified email address.

errorRO-R-001ROUubl-2.1INPUT

Romanian CIF/CUI required

Romanian invoices must include CIF or CUI number.

errorHU-R-001HUNnavINPUT

Hungarian tax number required

Hungarian invoices must include adószám (tax number).

errorHU-R-004HUNnavINPUT

Hungarian VAT code required

NAV requires Hungarian-specific VAT category codes.

errorBR-49EN 16931INPUT

A Payment instruction (BG-16) shall specify the Payment means type code (BT-81)

A Payment instruction (BG-16) shall specify the Payment means type code (BT-81). This applies to the `cac:PaymentMeans` element in the invoice XML.

errorBR-52EN 16931INPUT

Each Additional supporting document (BG-24) shall contain a Supporting...

InvoiceTypeCode must be a valid UNTDID 1001 document type code.

errorBR-57EN 16931INPUT

Each Deliver to address (BG-15) shall contain a Deliver to country code (BT-80)

Each Deliver to address (BG-15) shall contain a Deliver to country code (BT-80). This applies to the `cac:Address` element in the invoice XML.

errorIN-ALLOWANCE-AMOUNT-REQUIREDpeppol-bis-3INPUT

Allowance/Charge amount required

AllowanceCharge elements must have an Amount element specified.

errorBR-02EN 16931INPUT

Invoice must have an invoice number

Every invoice must contain a unique invoice number (ID) to identify the document.

errorBR-AE-02EN 16931INPUT

Reverse charge requires both VAT IDs

Reverse charge requires seller and buyer VAT identifiers.

errorBR-CO-10EN 16931AUTO-FIX

Sum of Invoice line net amount (BT-106) = Σ Invoice line net amount (BT-131).

Each VAT category taxable amount must be correctly calculated from line amounts.

errorBR-13EN 16931BLOCKED

Invoice total without VAT required

The invoice must state the amount due for payment (PayableAmount).

warningBR-DE-07DEUxrechnungINPUT

German postal code format

German postal codes should be 5 digits.

errorBR-DE-13DEUxrechnungINPUT

Delivery date or period required

XRechnung requires delivery date or period.

errorIN-TAX-TOTAL-AMOUNTpeppol-bis-3INPUT

Tax total amount required

Invoice must have a total VAT amount in the TaxTotal element.

errorBR-CO-02en16931INPUT

Payment means code must be valid

Payment means type code must be from UNCL4461.

errorBR-DE-29DEUxrechnungINPUT

SEPA direct debit mandate required

SEPA direct debit requires mandate reference.

errorCZ-R-001CZEubl-2.1INPUT

Czech DIČ required

Czech invoices must include DIČ (tax identification number).

warningCZ-R-002CZEubl-2.1INPUT

Czech IČO recommended

Czech business ID (IČO) recommended for identification.

errorBR-IT-02ITApeppol-bis-3INPUT

Missing Codice Destinatario

Italian B2B invoices require a 7-character Codice Destinatario (recipient code) for SDI routing, or a PEC email address.

errorDK-R-001DNKoioublINPUT

Danish CVR number required

Danish invoices must include 8-digit CVR number.

errorBR-S-04EN 16931INPUT

Seller VAT number missing (required for standard-rated charges)

Your invoice includes a document-level charge (surcharge) with standard VAT rate, but the seller does not have a VAT registration number on the invoice. Standard-rated VAT charges require the seller to be VAT-registered.

errorBR-S-06EN 16931INPUT

Standard rate VAT calculation error

In a Document level allowance (BG-20) where the Document level allowance VAT category code (BT-95) is "Standard rated" the Document level allowance VAT rate (BT-96) shall be greater than zero.. This applies to the `cac:AllowanceCharge` element in the invoice XML.

errorBR-62EN 16931INPUT