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Error

FX-SCH-A-000473: Each discount tax block needs one tax type element

In short

Error: fails the selected checks.

FX-SCH-A-000473 means an existing tax block for an invoice-level discount (BG-20) contains either no ram:TypeCode element or more than one. Ensure that each affected ram:CategoryTradeTax contains exactly one ram:TypeCode. Use VAT when the block describes VAT.

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What it means

Under ram:ApplicableHeaderTradeSettlement, this rule selects ram:SpecifiedTradeAllowanceCharge entries whose ram:ChargeIndicator/udt:Indicator text equals false. It then requires exactly one ram:TypeCode in each existing ram:CategoryTradeTax. It does not require the tax block to exist or check the code value. The VAT category (BT-95) and VAT rate (BT-96) are separate fields.

Why it matters

The tax type identifies the tax described by the block. It is distinct from the VAT category and rate assigned to the discount.

How to fix it

In each affected discount's ram:CategoryTradeTax, add a missing ram:TypeCode or remove duplicate ram:TypeCode elements. For VAT, use VAT as the value. Keep the discount's actual VAT category and applicable rate in their separate fields, then export and recheck the invoice.

Once the file is corrected, check it again for free: Validate a ZUGFeRD invoice

Or fix the invoice in a form and download the corrected file, for 1 credit: Fix a rejected e-invoice Beta

The rule as published

Element 'ram:TypeCode' must occur exactly 1 times.

Where this rule applies

Rule set Version
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
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether FX-SCH-A-000473 still fails, and which other rules do.

Updated 6 November 2026