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Error

FX-SCH-A-000570: The scheme of the buyer VAT number must be VA

In short

Error: fails the selected checks.

FX-SCH-A-000570 means a non-empty scheme on your buyer's tax registration is not permitted in the EN 16931 profile. For the buyer's VAT number (BT-48), use schemeID VA on ram:BuyerTradeParty/ram:SpecifiedTaxRegistration/ram:ID. Do not label a national tax number as a VAT number.

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What it means

In the EN 16931 profiles of Factur-X and ZUGFeRD, this rule checks schemeID on each ram:ID under the buyer's ram:SpecifiedTaxRegistration. A non-empty scheme must be on the referenced code list. VA identifies a VAT number; FC identifies a national tax number instead. A missing or empty scheme passes this particular test. The test does not check the number itself.

Why it matters

The scheme identifies the kind of tax registration number supplied. A VAT number and a national tax number are different identifiers, so changing the label alone does not make one into the other.

How to fix it

Check that the buyer identifier in this field is genuinely a VAT number (BT-48). For that VAT number, set schemeID to VA on ram:BuyerTradeParty/ram:SpecifiedTaxRegistration/ram:ID. If a national tax number has been exported here, correct the source field or ask your software supplier to correct the mapping rather than relabelling the number. Export and recheck your 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

Value of '@schemeID' is not allowed.

Where this rule applies

Rule set Version
Factur-X 1.09 EN 16931 1.0.9-2
ZUGFeRD 2.5 EN 16931 2.5.2
Rule text from phive-rules 4.6.4.

Check your file

Drop your e-invoice to see whether FX-SCH-A-000570 still fails, and which other rules do.

Updated 6 November 2026