E-Invoice Error Reference
1374+ documented errors for Peppol, UBL, CII, and EN16931 validation errors.
347 errors found · Page 3 of 7 in Business Rules
BR-IC-06EN 16931AUTO-FIXIntra-community VAT must be zero
VAT amount for category K must be zero.
BR-15EN 16931BLOCKEDInvoice line quantity required
The Amount due for payment (BT-115) is required.. Check the `cbc:PayableAmount` element in your invoice XML.
BR-G-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 (applies to `cac:InvoiceLine`, rule BR-G-02).
BR-IC-07EN 16931AUTO-FIXIntra-community requires reason
VAT category K must have exemption reason.
BR-CO-05EN 16931AUTO-FIXDiscount reason text does not match the reason code
The allowance reason code and the reason text on your invoice describe different types of discounts. For example, code 95 means "Discount" but the text says something else. These must match.
BR-37EN 16931AUTO-FIXEach Document level charge (BG-21) shall have a Document level charge VAT...
Each Document level charge (BG-21) shall have a Document level charge VAT category code (BT-102). Check the `cac:AllowanceCharge` element in your invoice XML.
BR-IC-10EN 16931AUTO-FIXThis VAT category requires an exemption reason code or text explaining why...
This VAT category requires an exemption reason code or text explaining why no tax is charged (applies to `cac:TaxSubtotal`, rule BR-IC-10).
BR-IC-11EN 16931AUTO-FIXMissing delivery date for intra-community supply. Invoices with VAT category...
Missing delivery date for intra-community supply. Invoices with VAT category "Intra-community supply" (K) must have either a delivery date (BT-72) or invoicing period (BG-14).
BR-IC-12EN 16931AUTO-FIXMissing delivery country for intra-community supply. Invoices with VAT...
Missing delivery country for intra-community supply. Invoices with VAT category "Intra-community supply" (K) must specify the delivery country code (BT-80).
BR-O-02EN 16931AUTO-FIXVAT identifier found but invoice is marked as not subject to VAT
Your invoice uses VAT category "O" (Not subject to VAT) on one or more lines, but the seller has a VAT identification number. These two things contradict each other — if VAT does not apply, the seller should not have a VAT ID on this invoice.
BR-TMP-2EN 16931AUTO-FIXBT-124 "External document location" muss eine absolute URL mit gültigem...
Invalid external document URL. The external document location (BT-124) must be an absolute URL with a valid scheme (http/https).
BR-O-04EN 16931AUTO-FIXSurcharge marked as not subject to VAT but seller has a VAT number
One of your document-level surcharges uses VAT category "O" (Not subject to VAT), but the seller has a VAT identification number. These contradict each other — if the surcharge is not subject to VAT, the seller should not have a VAT ID on this invoice.
BR-O-05EN 16931AUTO-FIXAn Invoice line (BG-25) where the VAT category code (BT-151) is "Not subject...
VAT amount for category O must be zero.
BR-O-06EN 16931AUTO-FIXA Document level allowance (BG-20) where VAT category code (BT-95) is "Not...
VAT category O must have exemption reason.
BR-O-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-O-07).
BR-48EN 16931INPUTDocument allowance tax category required
Document-level allowances/charges must specify the VAT category.
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.
BR-O-09EN 16931AUTO-FIXOut of scope must be only category
If O is used, only O category allowed on invoice.
BR-16EN 16931BLOCKEDInvoice line must have an identifier
Each invoice line must have a unique line identifier (ID).
BR-DEC-08en16931BLOCKEDAllowance total: max 2 decimals
AllowanceTotalAmount allows max 2 decimal places.
BR-AE-10EN 16931AUTO-FIXReverse charge VAT breakdown must include exemption reason
A reverse charge VAT breakdown must include either a VAT exemption reason code meaning "Reverse charge" or exemption text stating "Reverse charge" (or equivalent). This explains why no VAT is charged.
BR-CL-01EN 16931AUTO-FIXInvalid invoice type code
The invoice type code is not a valid value from the UN/EDIFACT code list 1001. Valid codes include 380 for a standard invoice, 381 for a credit note, 383 for a debit note, 384 for a corrected invoice, 386 for a prepayment invoice, and 389 for a self-billed invoice.
BR-CL-03EN 16931AUTO-FIXcurrencyID MUST be coded using ISO code list 4217 alpha-3
A currency attribute (currencyID) contains an invalid ISO 4217 code. Currency codes must be 3-letter codes like EUR, USD, GBP.
BR-AG-01EN 16931BLOCKEDIPSI VAT breakdown required when IPSI used on lines
When using the IPSI VAT category (M) on invoice lines, allowances, or charges, you must have exactly one matching VAT breakdown section for IPSI.
BR-CL-05EN 16931AUTO-FIXTax currency code MUST be coded using ISO code list 4217 alpha-3
The Tax Currency Code (BT-6) is not a valid ISO 4217 code. If using a different currency for tax accounting, it must be a valid 3-letter code.
BR-E-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 (applies to `cac:InvoiceLine`, rule BR-E-02).
BR-CL-04EN 16931AUTO-FIXInvalid currency code
Currency code must be a valid ISO 4217 alpha-3 code (e.g., EUR, USD, GBP). Ensure you are using the three-letter currency code, not a currency symbol or name.
BR-IC-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-IC-03).
BR-CL-06EN 16931AUTO-FIXValue added tax point date code MUST be coded using a restriction of UNTDID...
The VAT Point Date Code (BT-8) is not a valid UNTDID 2005 code. Valid codes indicate when VAT becomes due (e.g., 35=delivery date, 432=payment date).
BR-CL-20EN 16931AUTO-FIXCoded charge reasons MUST belong to the UNCL 7161 code list
A Charge Reason Code is not a valid UNCL 7161 code. Common codes: FC=freight, AAA=advertising, ABL=handling, DL=delivery.
BR-IC-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-IC-04).
BR-CL-07EN 16931AUTO-FIXObject identifier scheme MUST be from UNTDID 1153
An Object Identifier scheme is not a valid UNTDID 1153 code. This identifies what type of reference the object ID represents.
BR-CL-15EN 16931AUTO-FIXCountry codes in an invoice MUST be coded using ISO code list 3166-1
A country code in the invoice is not a valid ISO 3166-1 alpha-2 code. All country fields must use 2-letter codes.
BR-O-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-O-03).
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.
BR-B-01EN 16931BLOCKEDSplit payment requires domestic Italian invoice
Split payment (scissione pagamenti, VAT category B) is only valid for domestic Italian invoices. Both seller and buyer must be in Italy.
DE-R-004DEUEN 16931INPUTThe element "Seller post code" (BT-38) shall be provided.
Seller postal code is missing. German invoices must include the seller's postal code (BT-38).
BR-CL-18EN 16931AUTO-FIXInvoice line item tax categories MUST be coded using UNCL5305 code list.
PartyTaxScheme/TaxScheme/ID must be "VAT".
PEPPOL-EN16931-R045EN 16931INPUTEach document level allowance must have a reason or reason code
PEPPOL-EN16931-R045 is a Schematron rule on the Peppol BIS Billing 3.0 invoice. It asserts that every cac:AllowanceCharge element where ChargeIndicator = false (i.e. an allowance/discount, not a charge) at document level must carry either a free-text AllowanceReason (BT-97) or a coded AllowanceReasonCode (BT-98), or both. The rule prevents anonymous discounts that the buyer cannot reconcile against a contract or promotion.
BR-CL-25EN 16931AUTO-FIXUnit of measure codes MUST be coded according to UN/ECE Recommendation 20.
The scheme identifier for a seller or buyer electronic address (endpoint) is not from the valid Electronic Address Scheme (EAS) code list. Every endpoint ID must specify which numbering system it uses, such as 0088 for GLN, 0007 for Swedish org number, or 0198 for Danish CVR.
BR-E-01EN 16931BLOCKEDAn Invoice that contains an Invoice line (BG-25), a Document level allowance...
When using VAT category E (exempt), an exemption reason must be provided.
BR-CL-10EN 16931AUTO-FIXInvalid party identifier scheme
The scheme identifier for a seller or buyer party identification number is not a valid code from the ISO 6523 ICD list. Every party identifier must specify which numbering system it belongs to, using a standard code like 0088 for GLN, 0007 for Swedish org number, 0106 for Dutch KvK number, etc.
BR-CL-11EN 16931AUTO-FIXInvalid registration identifier scheme
Any registration identifier identification scheme identifier MUST be coded using one of the ISO 6523 ICD list. This applies to the PartyLegalEntity/CompanyID@schemeID attribute.
BR-Z-01EN 16931BLOCKEDAn Invoice that contains an Invoice line (BG-25), a Document level allowance...
When using VAT category Z (zero rate), an exemption reason code or text must be provided.
BR-AE-05EN 16931AUTO-FIXReverse charge invoice line must have 0% VAT rate
When an invoice line uses the reverse charge VAT category, the VAT rate must be 0%. Reverse charge means the buyer accounts for VAT, so seller charges zero VAT.
BR-CL-19EN 16931AUTO-FIXInvalid allowance reason code
Coded allowance reasons MUST belong to the UNCL 5189 code list. This applies to AllowanceChargeReasonCode for allowances (ChargeIndicator=false).
BR-CL-21EN 16931AUTO-FIXInvalid product identifier scheme
A line item's standard product identifier uses an invalid scheme code. The most common standard identifier is a GTIN (barcode number), which should use scheme code 0160. Other valid schemes include ISO 6523 ICD codes for industry-specific numbering systems.
BR-CO-17EN 16931BLOCKEDA VAT Category Tax Amount (BT-117) doesn't equal the Taxable Amount (BT-116)...
A VAT Category Tax Amount (BT-117) doesn't equal the Taxable Amount (BT-116) multiplied by the Rate (BT-119). The tax calculation is mathematically wrong.
BR-CO-03EN 16931AUTO-FIXVAT point date and VAT point date code are mutually exclusive
Value added tax point date (BT-7) and Value added tax point date code (BT-8) are mutually exclusive. You cannot specify both - use one or the other to indicate when VAT becomes due.
BR-03EN 16931AUTO-FIXInvoice must have an issue date
Every invoice must contain an issue date indicating when the invoice was created.
Handle These Errors Automatically in Your Pipeline
The compliance engine auto-remediates validation errors with controlled safety policies and evidence pack generation.
Get API Access→