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Error

FX-SCH-A-000690: The tax representative's tax number needs a scheme attribute

In short

Error: fails the selected checks.

FX-SCH-A-000690 means schemeID is missing from a tax registration identifier for your buyer's tax representative. Add the attribute to ram:ID and give it the scheme code that matches the number.

On this page

What it means

For ram:ID inside ram:BuyerTaxRepresentativeTradeParty/ram:SpecifiedTaxRegistration, this rule checks that the schemeID attribute exists. An empty attribute passes this presence check; its value is not checked here.

Why it matters

The attribute provides a place to identify the kind of tax registration number. This rule enforces its presence, not the correctness of the scheme or number.

How to fix it

Add schemeID to the relevant ram:ID in the buyer's tax representative's tax registration. Use schemeID="VA" for a VAT number or schemeID="FC" for a national tax number, as appropriate. Do not choose VA merely because it is common. Recheck your corrected file.

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

Attribute '@schemeID' is required in this context.

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-000690 still fails, and which other rules do.

Updated 6 November 2026