EN 16931 Validation Rules

Plain-language explanations of the rules used to validate your invoice.

• BR-01 The invoice must have an invoice number (BT-1).
• BR-02 The invoice must have an issue date (BT-2).
• BR-03 The invoice must specify a document type code (BT-3).
• BR-04 The invoice must specify a currency code (BT-5).
• BR-06 The seller must have a name (BT-27).
• BR-07 The buyer must have a name (BT-44).
• BR-08 The seller must have a VAT identifier (BT-31) or tax registration identifier (BT-32).
• BR-16 The invoice must contain at least one invoice line (BG-25).
• BR-32 Each invoice line must contain an item name (BT-153).
• BR-33 Each invoice line must contain a VAT category code (BT-151).
• BR-CO-15 Invoice total without VAT (BT-109) must equal the sum of line net amounts (BT-106) minus document allowances (BT-107) plus document charges (BT-108).
• BR-CO-16 Invoice total with VAT (BT-112) must equal invoice total without VAT (BT-109) plus total VAT amount (BT-110).
• BR-CO-17 Amount due for payment (BT-115) must equal invoice total with VAT (BT-112) minus prepaid amount (BT-113) plus rounding amount (BT-114).
• BR-CO-10 The sum of all VAT category tax amounts (BT-117) must equal the invoice total VAT amount (BT-110).
• BR-CO-11 The sum of all VAT category taxable amounts (BT-116) must equal the invoice total amount without VAT (BT-109).
• BR-CO-13 For a standard-rated VAT category (S), the VAT category tax amount (BT-117) must equal the taxable amount (BT-116) multiplied by the VAT rate (BT-119) divided by 100, rounded to two decimal places.