E-Invoice Error Reference
1350+ documented errors for Peppol, UBL, CII, and EN16931 validation errors.
1350 errors found · Page 11 of 27
UBL-SR-16EN16931CONFIRMBuyer identifier shall occur maximum once
Your invoice contains multiple Buyer identifier elements (AccountingCustomerParty/Party/PartyIdentification/ID). EN16931 allows only one buyer identifier.
UBL-SR-23EN16931CONFIRMSeller tax representative VAT identifier shall occur maximum once, if the Seller has a tax representative
Your invoice contains multiple Tax representative VAT identifiers (TaxRepresentativeParty/PartyTaxScheme). EN16931 allows only one.
UBL-SR-25EN16931CONFIRMDeliver to party name shall occur maximum once
Your invoice contains multiple Deliver to party name elements (Delivery/DeliveryParty/PartyName/Name). EN16931 allows only one.
UBL-SR-30EN16931CONFIRMDocument level allowance reason shall occur maximum once
Your invoice contains multiple Document level allowance reason texts (AllowanceCharge/AllowanceChargeReason). EN16931 allows only one reason per allowance.
UBL-SR-37EN16931CONFIRMItem price discount shall occur maximum once
Your invoice line contains multiple Item price discount elements (Price/AllowanceCharge). EN16931 allows only one discount per price.
IN-UNIT-CODESPeppol BIS 3.0BLOCKEDUnit of measure codes validation
Unit codes should be from UN/ECE Recommendation 20
PEPPOL-COMMON-R040Peppol BIS 3.0INPUTGLN must have a valid format according to GS1 rules
GLN must have a valid format according to GS1 rules. This validation rule ensures Invoice compliance with Peppol BIS 3.0.
PEPPOL-COMMON-R041Peppol BIS 3.0AUTO-FIXNorwegian organization number MUST be stated in the correct format.
Norwegian organization numbers must follow the correct format. The organization number is a 9-digit identifier assigned by Brønnøysund Register Centre.
PEPPOL-COMMON-R042Peppol BIS 3.0AUTO-FIXDanish organization number (CVR) MUST be stated in the correct format.
Danish organization numbers (CVR) must follow the correct format. CVR is an 8-digit identifier assigned by the Danish Business Authority.
UBL-SR-46EN16931CONFIRMPayment means text shall occur maximum once
Your invoice contains multiple Payment means instruction text elements. EN16931 allows only one instruction note per payment means.
UBL-SR-47EN 16931AUTO-FIXMultiple different payment methods on one invoice
Your invoice has multiple payment means sections with different payment method codes. The UBL standard requires that all payment means on a single invoice use the same payment method code.
PEPPOL-COMMON-R043Peppol BIS 3.0AUTO-FIXBelgian enterprise number MUST be stated in the correct format.
Belgian enterprise numbers must follow the correct format. The enterprise number is a 10-digit identifier (0XXX.XXX.XXX format) assigned by the Crossroads Bank for Enterprises.
PEPPOL-COMMON-R045Peppol BIS 3.0AUTO-FIXTax Code (Codice Fiscale) must be stated in the correct format
Italian Tax Code (Codice Fiscale) must follow the correct format. For individuals, this is a 16-character alphanumeric code; for companies, it may be an 11-digit VAT number.
UBL-SR-53EN16931CONFIRMCompanyID (VAT Identifier) must be stated when providing the PartyTaxScheme/TaxScheme/ID.
Missing VAT ID with tax scheme. When providing TaxScheme/ID, the CompanyID (VAT identifier) must also be provided.
PEPPOL-COMMON-R046Peppol BIS 3.0AUTO-FIXTax Code (Codice Fiscale) must be stated in the correct format
Italian Tax Code (Codice Fiscale) must follow the correct format. This validation applies to a different location in the invoice where tax codes appear.
PEPPOL-COMMON-R044Peppol BIS 3.0AUTO-FIXItalian office code (IPA) has wrong format
The Italian IPA code (Codice Univoco Unità Organizzativa) on your invoice is not in the correct format. It must be exactly 6 uppercase letters and/or digits.
BR-01EN 16931AUTO-FIXInvoice must have specification identifier
Every Peppol BIS invoice must include a specification identifier (CustomizationID) that indicates which profile the invoice conforms to.
BR-23EN 16931AUTO-FIXMissing unit of measure code
Each Invoice line shall have an Invoiced quantity unit of measure code (BT-130). This identifies the unit of measure for the invoiced quantity using UN/ECE Recommendation 20 codes.
BR-30EN 16931AUTO-FIXInvoice line period end date before start date
If both Invoice line period start date (BT-134) and Invoice line period end date (BT-135) are given then the end date shall be later or equal to the start date.
PEPPOL-COMMON-R047Peppol BIS 3.0AUTO-FIXItalian VAT Code (Partita Iva) must be stated in the correct format
Italian VAT Code (Partita IVA) must follow the correct format. This is an 11-digit number prefixed with "IT" for international use.
BR-51EN 16931AUTO-FIXPayment card primary account number not masked
The invoice contains a full credit card number (BT-87), which violates PCI security standards. Only the first 6 and last 4 digits should be shown.
BR-53EN 16931BLOCKEDVAT amount in accounting currency is missing
Your invoice declares a tax accounting currency (different from the invoice currency), but the total VAT amount in that accounting currency is not provided. When using a separate tax currency, you must include the VAT total in both currencies.
PEPPOL-COMMON-R048Peppol BIS 3.0AUTO-FIXItalian VAT Code (Partita Iva) must be stated in the correct format
Italian VAT Code (Partita IVA) must follow the correct format. This validation applies to another field where Italian VAT numbers appear.
PEPPOL-COMMON-R049Peppol BIS 3.0AUTO-FIXInvalid Swedish organization number
A Swedish organization number (organisationsnummer) in this invoice is not correctly formatted. Swedish org numbers must be exactly 10 digits and include a valid check digit calculated using the Luhn algorithm. This applies to any identifier using scheme 0007, including seller and buyer endpoint addresses, company registration numbers, and party identifiers.
BR-05EN 16931AUTO-FIXMissing document currency code
An Invoice shall have an Invoice currency code (BT-5). This specifies the currency used for all monetary amounts in the invoice using ISO 4217 three-letter codes.
PEPPOL-COMMON-R050Peppol BIS 3.0AUTO-FIXAustralian Business Number (ABN) MUST be stated in the correct format.
Australian Business Numbers (ABN) must follow the correct format. ABN is an 11-digit identifier with a specific check digit algorithm.
PEPPOL-EN16931-R130Peppol BIS 3.0AUTO-FIXUnit code of price base quantity MUST be same as invoiced quantity.
The unit code of the price base quantity must match the unit code of the invoiced quantity. You cannot have different units between quantity and base quantity.
BR-42EN 16931AUTO-FIXInvoice line allowance reason required
An invoice line allowance (BG-27) is missing both a reason text (BT-139) and reason code (BT-140). At least one must be provided to explain this line discount.
PEPPOL-EN16931-R055Peppol BIS 3.0AUTO-FIXInvoice total VAT amount and Invoice total VAT amount in accounting currency...
The invoice total VAT amount and VAT amount in accounting currency must have the same sign (both positive or both negative). They cannot have opposite signs.
UBL-CR-360UBL 2.1AUTO-FIXA UBL invoice should not include the Delivery DeliveryLocation Address...
Your invoice contains a DeliveryLocation Address AddressTypeCode element which is not allowed in EN16931 invoices. This element must be removed.
UBL-CR-361UBL 2.1AUTO-FIXA UBL invoice should not include the Delivery DeliveryLocation Address...
Your invoice contains a DeliveryLocation Address AddressFormatCode element which is not allowed in EN16931 invoices. This element must be removed.
UBL-CR-362UBL 2.1AUTO-FIXA UBL invoice should not include the Delivery DeliveryLocation Address Postbox
Your invoice contains a DeliveryLocation Address Postbox element which is not allowed in EN16931 invoices. This element must be removed.
BR-AG-05EN 16931AUTO-FIXIPSI invoice line VAT rate must be 0% or positive
When an invoice line uses the IPSI VAT category (M for Ceuta/Melilla indirect tax), the VAT rate must be 0 or greater than zero.
UBL-CR-137UBL 2.1AUTO-FIXA UBL invoice should not include the Signature
Your invoice contains a Signature element which is not allowed in EN16931. Digital signatures should be applied at transport level, not in the invoice XML.
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.
PEPPOL-EN16931-R101Peppol BIS 3.0AUTO-FIXInvoice line document reference has wrong type code
A document reference on one of your invoice lines uses the wrong type code. Line-level document references in Peppol invoices must use code "130", which means "invoice line object identifier".
BR-CL-13EN 16931AUTO-FIXInvalid product classification scheme
A line item's classification code uses an invalid scheme identifier. The classification listID must be from the UNTDID 7143 code list. Common valid schemes include STI for UNSPSC, EN for eCl@ss, and CPV for EU public procurement.
UBL-CR-294UBL 2.1AUTO-FIXA UBL invoice should not include the BuyerCustomerParty
Your invoice contains a BuyerCustomerParty element which is not allowed in EN16931 invoices. Use AccountingCustomerParty instead.
PEPPOL-EN16931-R054Peppol BIS 3.0AUTO-FIXOnly one tax total without tax subtotals MUST be provided when tax currency...
When VAT accounting currency is provided, exactly one TaxTotal without subtotals must exist for that currency. This reports the total VAT in the accounting currency.
BR-CO-07EN 16931AUTO-FIXLine item discount reason text does not match the reason code
On one of your invoice lines, the discount reason code and the reason text describe different types of discounts. For example, code 95 means "Discount" but the text says something else. These must match.
GR-R-004-1GRCPEPPOL_BISINPUTWhen Supplier is Greek, there must be one MARK Number
Greek supplier invoices must include one MARK (Μοναδικός Αριθμός Καταχώρησης) number. This is the unique registration number from the Greek myDATA system.
PEPPOL-EN16931-R053Peppol BIS 3.0AUTO-FIXOnly one tax total with tax subtotals MUST be provided.
Only one TaxTotal element with tax subtotals (VAT breakdown) is allowed. Multiple VAT breakdowns in the same currency are not permitted.
PEPPOL-EN16931-F001Peppol BIS 3.0AUTO-FIXA date MUST be formatted YYYY-MM-DD.
A date MUST be formatted YYYY-MM-DD. This validation rule ensures Invoice compliance with Peppol BIS 3.0.
GR-R-006GRCCIUS-GR (Greece)INPUTGreek Suppliers must provide the VAT number of the buyer, if the buyer is Greek
When both supplier and buyer are Greek, the buyer's VAT number must be provided. This is required for domestic Greek transactions.
SE-R-001Peppol BIS 3.0AUTO-FIXSwedish organization number required
Swedish invoices must include 10-digit organization number.
BR-CL-24EN 16931AUTO-FIXFor Mime code in attribute use MIMEMediaType (IANA media types).
An attached document has an invalid MIME type code. MIME types must follow the standard format (type/subtype), such as application/pdf for PDF files, image/png for PNG images, or text/csv for CSV files.
SE-R-002Peppol BIS 3.0AUTO-FIXFor Swedish suppliers, Swedish VAT-numbers must have the trailing 12...
Swedish invoices to public sector should be Svefaktura compliant.
SE-R-004Peppol BIS 3.0AUTO-FIXSwedish organisation number has wrong length
The seller's Swedish organisation number (organisationsnummer) does not have the required 10 characters. Swedish org numbers are always exactly 10 digits, typically written as XXXXXX-XXXX but stored without the hyphen.
SE-R-013Peppol BIS 3.0AUTO-FIXSwedish organisation number has wrong check digit
The seller's Swedish organisation number (organisationsnummer) has an incorrect check digit. The last digit of a 10-digit Swedish org number is calculated using the Luhn algorithm. This rule checks the seller's company registration number specifically.
SE-R-005Peppol BIS 3.0AUTO-FIXFor Swedish suppliers, when using Seller tax registration identifier,...
Swedish suppliers using tax registration identifier must include the statement "Godkänd för F-skatt" (Approved for F-tax) on their invoices.
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