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Fatal: fails the selected checks

BR-31: Amount of a discount on the whole invoice is required

In short

BR-31 means the amount of the discount (BT-92) is missing. Enter an amount for every discount in your invoicing software, or remove discounts you do not use.

On this page

What it means

Every discount on the whole invoice (BG-20) must contain the amount of the discount (BT-92). It is the amount of the discount without VAT.

Why it matters

Discounts and charges change the amount VAT is calculated on. The recipient needs the amount, the VAT category and the reason to book them correctly and to check that the VAT adds up.

How to fix it

Enter an amount for every discount in your invoicing software, or remove discounts you do not use. An empty discount row, often left over from a template, triggers this rule.

The rule as published

Each Document level allowance (BG-20) shall have a Document level allowance amount (BT-92).

Business terms: BG-20, BT-92

Where this rule applies

Rule set Version
EN 16931 (UBL) 1.3.17
EN 16931 (UBL credit note) 1.3.17
EN 16931 (CII) 1.3.17
XRechnung 3.0 (UBL) 3.0.2
XRechnung 3.0 (UBL credit note) 3.0.2
XRechnung 3.0 (CII) 3.0.2
Peppol BIS Billing 3.0 (invoice) 2026.5
Peppol BIS Billing 3.0 (credit note) 2026.5
Factur-X 1.09 BASIC WL 1.0.9-2
Factur-X 1.09 BASIC 1.0.9-2
Factur-X 1.09 EN 16931 1.0.9-2
Factur-X 1.09 EXTENDED 1.0.9-2
ZUGFeRD 2.5 BASIC WL 2.5.2
ZUGFeRD 2.5 BASIC 2.5.2
ZUGFeRD 2.5 EN 16931 2.5.2
ZUGFeRD 2.5 EXTENDED 2.5.2
SI-UBL 2.0 / NLCIUS (invoice) 2.0.3.13
SI-UBL 2.0 / NLCIUS (credit note) 2.0.3.13
NLCIUS (CII) 1.0.3.13
France CTC (UBL invoice) 1.4.0-04
France CTC (UBL credit note) 1.4.0-04
France CTC (CII) 1.4.0-04
CIUS-RO UBL Invoice 1.0.9 1.0.9
CIUS-RO UBL Credit Note 1.0.9 1.0.9
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether BR-31 still fails, and which other rules do.