E-Invoice Error Reference
1369+ documented errors for Peppol, UBL, CII, and EN16931 validation errors.
1369 errors found · Page 4 of 28
BR-S-08EN 16931AUTO-FIXStandard rated VAT amount doesn't add up
The taxable amount in the VAT breakdown for standard-rated items does not match the sum of the corresponding line items, charges, and allowances. For each VAT rate (e.g. 25%, 21%, 19%), the taxable base in the VAT summary must equal: sum of line amounts at that rate, plus charges at that rate, minus allowances at that rate.
CII-FIX-DATEcii-d16bAUTO-FIXCII date format must use format code 102
All dates in CII invoices must use format code 102 (YYYYMMDD) in the udt:DateTimeString element. ISO 8601 dates with hyphens (YYYY-MM-DD) are not valid in CII — the hyphens must be removed and the @format attribute set to "102".
CII-FIX-CURRENCYcii-d16bAUTO-FIXCII currency codes must be uppercase
All currency codes in CII invoices must be uppercase ISO 4217 codes. This includes the @currencyID attribute on amount elements and the ram:InvoiceCurrencyCode element. Lowercase currency codes like "eur" are invalid.
BR-CO-13EN 16931AUTO-FIXTax amount calculation error
The VAT amount must equal TaxableAmount × Rate / 100 (with rounding).
UBL-CR-028UBL 2.1AUTO-FIXA UBL invoice should not include the BillingReference Xpath
Your invoice contains BillingReference/Xpath which is not allowed in EN16931 invoices.
BR-S-10EN 16931AUTO-FIXStandard rate must not have exemption reason
VAT category S must not have exemption reason.
CII-FIX-VATEXcii-d16bAUTO-FIXCII VAT exemption reason code normalization
CII invoices with VAT categories O (Outside scope), E (Exempt), AE (Reverse charge), G (Export), or K (Intra-community) require a valid VATEX exemption reason code. This fix normalizes the ExemptionReasonCode at header level and propagates it to line-level tax breakdowns that are missing it.
BR-DEX-09DEUXRechnung (Germany)BLOCKEDThird party payment calculation error. Amount due must equal: Total with VAT...
Third party payment calculation error. Amount due must equal: Total with VAT - Paid amount + Rounding + Sum of third party payments.
BR-CO-15EN 16931AUTO-FIXTax exclusive amount calculation error
Invoice total amount with VAT (BT-112) = Invoice total amount without VAT (BT-109) + Invoice total VAT amount (BT-110).. This applies to the `cbc:TaxInclusiveAmount` element in the invoice XML.
BE-01BELCIUS-BE (Belgium)BLOCKEDBelgian B2B invoices should use Peppol BIS Billing 3.0
Belgian B2B invoices should use Peppol BIS Billing 3.0. This validation rule ensures Invoice compliance with CIUS-BE (Belgium).
BE-02BELCIUS-BE (Belgium)BLOCKEDBelgian sellers should include enterprise number (KBO/BCE)
Belgian sellers should include enterprise number (KBO/BCE). This validation rule ensures Invoice compliance with CIUS-BE (Belgium).
FR-02FRACIUS-FR (France)BLOCKEDFrench VAT numbers must be in correct format
French VAT numbers must be in correct format. This validation rule ensures Invoice compliance with CIUS-FR (France).
FR-03FRACIUS-FR (France)BLOCKEDFrench B2G invoices have specific requirements
French B2G invoices have specific requirements. This validation rule ensures Invoice compliance with CIUS-FR (France).
BR-S-09EN 16931AUTO-FIXVAT amount is calculated incorrectly
The VAT amount in the standard-rated breakdown does not match the taxable amount multiplied by the tax rate. For example, if the taxable amount is 1,000.00 and the rate is 21%, the VAT amount should be 210.00.
NL-01NLDNLCIUS (Netherlands)BLOCKEDDutch sellers should include KVK number
Dutch sellers should include KVK number. This validation rule ensures Invoice compliance with NLCIUS (Netherlands).
NL-02NLDNLCIUS (Netherlands)BLOCKEDDutch VAT numbers must be in correct format
Dutch VAT numbers must be in correct format. This validation rule ensures Invoice compliance with NLCIUS (Netherlands).
UBL-CR-111UBL 2.1AUTO-FIXA UBL invoice should not include the AdditionalDocumentReference UUID
Your invoice contains AdditionalDocumentReference/UUID which is not allowed in EN16931 invoices.
BR-E-05EN 16931AUTO-FIXWhen using this VAT category, the VAT rate must be 0 (zero). This category...
When using this VAT category, the VAT rate must be 0 (zero). This category does not have a positive tax rate (applies to `cac:InvoiceLine`, rule BR-E-05).
BR-E-08EN 16931AUTO-FIXVAT-exempt taxable amount doesn't add up
The taxable amount in the VAT-exempt breakdown does not match the sum of exempt line items, charges, and allowances. The taxable base must equal: sum of line amounts with category E, plus charges with category E, minus allowances with category E.
IT-02ITACIUS-IT (Italy)BLOCKEDItalian invoices should include SDI recipient code
Italian invoices should include SDI recipient code. This validation rule ensures Invoice compliance with CIUS-IT (Italy).
PL-02POLCIUS-PL (Poland)BLOCKEDPolish invoices should be prepared for KSeF
Polish invoices should be prepared for KSeF. This validation rule ensures Invoice compliance with CIUS-PL (Poland).
BR-E-09EN 16931AUTO-FIXExempt percentage must be zero
VAT category E must have rate of 0%.
AT-01AUTCIUS-AT (Austria)BLOCKEDAustrian sellers should include UID number
Austrian sellers should include UID number. This validation rule ensures Invoice compliance with CIUS-AT (Austria).
IS-R-006ISLCIUS-IS (Iceland)BLOCKEDIcelandic suppliers using payment means code 9 (claim/krafa) must provide a...
Icelandic suppliers using payment means code 9 (claim/krafa) must provide a 12-digit account ID consisting of bank number, ledger 66, and account number.
IS-R-007ISLCIUS-IS (Iceland)BLOCKEDIcelandic suppliers using payment means code 42 (bank transfer) must provide...
Icelandic suppliers using payment means code 42 (bank transfer) must provide a 12-digit bank account number.
BR-AE-03EN 16931INPUTWhen document level allowances use the reverse charge VAT category, both...
When document level allowances use the reverse charge VAT category, both seller and buyer must have proper tax identifiers for tax compliance.
BR-AE-04EN 16931INPUTWhen document level charges use the reverse charge VAT category, both seller...
When document level charges use the reverse charge VAT category, both seller and buyer must have proper tax identifiers for tax compliance.
BR-AF-02EN 16931INPUTWhen invoice lines use the IGIC VAT category, the seller must have a proper...
When invoice lines use the IGIC VAT category, the seller must have a proper tax identifier (VAT ID, tax registration, or tax representative VAT ID).
BR-IC-08EN 16931BLOCKEDThe taxable amount for this VAT category must equal the sum of line amounts...
The taxable amount for this VAT category must equal the sum of line amounts minus allowances plus charges for this category (applies to `cac:TaxSubtotal`, rule BR-IC-08).
BR-AF-03EN 16931INPUTWhen document level allowances use the IGIC VAT category, the seller must...
When document level allowances use the IGIC VAT category, the seller must have a proper tax identifier.
BR-AF-04EN 16931INPUTWhen document level charges use the IGIC VAT category, the seller must have...
When document level charges use the IGIC VAT category, the seller must have a proper tax identifier.
UBL-CR-034UBL 2.1AUTO-FIXA UBL invoice should not include the BillingReference Attachment
Your invoice contains BillingReference/Attachment which is not allowed. Attachments belong in AdditionalDocumentReference, not BillingReference.
UBL-CR-358UBL 2.1AUTO-FIXA UBL invoice should not include the Delivery DeliveryLocation ValidityPeriod
Your invoice contains a DeliveryLocation ValidityPeriod element which is not allowed in EN16931 invoices. This element must be removed.
UBL-CR-036UBL 2.1AUTO-FIXA UBL invoice should not include the BillingReference IssuerParty
Your invoice contains BillingReference/IssuerParty which is not allowed in EN16931 invoices.
FORMAT-001internalBLOCKEDUnrecognized invoice format
Your file was read successfully as XML, but it does not contain a recognized e-invoice structure. Supported formats are UBL 2.1 Invoice, UBL 2.1 CreditNote, and UN/CEFACT Cross-Industry Invoice (CII D16B). The file may have been exported in the wrong format, or it may be a different type of XML document (such as an order or dispatch advice).
BR-Z-05EN 16931AUTO-FIXIn an Invoice line (BG-25) where the Invoiced item VAT category code...
VAT category Z taxable amount must match sum of Z amounts.
BR-AG-02EN 16931INPUTWhen using this VAT category, the seller must have a VAT identifier, tax...
When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative.
UBL-CR-037UBL 2.1AUTO-FIXA UBL invoice should not include the BillingReference ResultOfVerification
Your invoice contains BillingReference/ResultOfVerification which is not allowed in EN16931 invoices.
BR-Z-06EN 16931AUTO-FIXIn a Document level allowance (BG-20) where the Document level allowance VAT...
VAT amount for category Z must be zero.
BR-Z-07EN 16931AUTO-FIXWhen using this VAT category, the VAT rate must be 0 (zero). This category...
When using this VAT category, the VAT rate must be 0 (zero). This category does not have a positive tax rate (applies to `cac:AllowanceCharge`, rule BR-Z-07).
BR-AG-03EN 16931INPUTWhen using this VAT category, the seller must have a VAT identifier, tax...
When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative (applies to `cac:AllowanceCharge`, rule BR-AG-03).
BR-CL-08EN 16931AUTO-FIXInvoice note has an invalid subject code
One of the notes on your invoice uses a subject code that is not in the official UN/CEFACT code list (UNCL 4451). The subject code indicates the type of note — for example, general information, regulatory, or surcharge.
BR-Z-08EN 16931AUTO-FIXZero-rated taxable amount doesn't add up
The taxable amount in the zero-rated VAT breakdown does not match the sum of zero-rated line items, charges, and allowances. The taxable base must equal: sum of line amounts with category Z, plus charges with category Z, minus allowances with category Z.
PEPPOL-EN16931-R007Peppol BIS 3.0AUTO-FIXBusiness process identifier has wrong format
The ProfileID in your invoice does not follow the required Peppol format. It must be "urn:fdc:peppol.eu:2017:poacc:billing:01:1.0" for standard billing.
CII-SR-002cii-d16bBLOCKEDMissing ExchangedDocument context
CII documents must include the ExchangedDocumentContext header.
UBL-CR-038UBL 2.1AUTO-FIXA UBL invoice should not include the BillingReference...
Your invoice contains BillingReference/SelfBilledInvoiceDocumentReference which is not allowed in EN16931 invoices.
BR-AG-04EN 16931INPUTWhen using this VAT category, the seller must have a VAT identifier, tax...
When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative (applies to `cac:AllowanceCharge`, rule BR-AG-04).
BR-Z-09EN 16931AUTO-FIXThe VAT category tax amount (BT-117) in a VAT breakdown (BG-23) where VAT...
VAT category Z must have rate of 0%.
BR-S-07EN 16931INPUTWhen using this VAT category, the VAT rate must be 0 (zero). This category...
When using this VAT category, the VAT rate must be 0 (zero). This category does not have a positive tax rate.
BR-E-03EN 16931INPUTWhen using this VAT category, the seller must have a VAT identifier, tax...
When using this VAT category, the seller must have a VAT identifier, tax registration, or tax representative (applies to `cac:AllowanceCharge`, rule BR-E-03).
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