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Error

FX-SCH-A-000891: The invoicer's contact email needs exactly one address

In short

Error: fails the selected checks.

FX-SCH-A-000891 means an email entry for the invoicer's contact contains no ram:URIID element or more than one. Put the intended contact email address in one ram:URIID within that entry.

On this page

What it means

Each ram:EmailURIUniversalCommunication under ram:InvoicerTradeParty/ram:DefinedTradeContact must contain one ram:URIID child. The test counts these elements; it does not check whether the email address is filled in or correctly formatted.

Why it matters

Each contact email block has one address field in the Extended profile.

How to fix it

Check ram:InvoicerTradeParty/ram:DefinedTradeContact/ram:EmailURIUniversalCommunication. Add a missing ram:URIID with the contact's email address, or keep the intended address and remove extra ram:URIID elements from that block. 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:URIID' must occur exactly 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-000891 still fails, and which other rules do.

Updated 6 November 2026