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Error

FX-SCH-A-000890: The invoicer can have at most one tax registration

In short

Error: fails the selected checks.

FX-SCH-A-000890 means the invoicer, the party issuing the invoice, has more than one ram:SpecifiedTaxRegistration block. Keep at most one tax registration block for that party. The rule does not give preference to a VAT number over a tax number.

On this page

What it means

The test counts ram:SpecifiedTaxRegistration children of ram:InvoicerTradeParty. Zero or one passes; two or more fail. It does not choose which registration you should use.

Why it matters

The Extended profile provides one optional tax registration block for the invoicer.

How to fix it

Check which tax registration is appropriate for the invoicer on this invoice. Keep that registration and remove extra ram:SpecifiedTaxRegistration blocks from ram:InvoicerTradeParty. This rule does not require changes to the seller's tax registrations. Export the corrected file and check it again.

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:SpecifiedTaxRegistration' may occur at maximum 1 times.

Where this rule applies

Rule set Version
Factur-X 1.09 EXTENDED 1.0.9-2
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-000890 still fails, and which other rules do.

Updated 6 November 2026