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Error

FX-SCH-A-000771: Keep one electronic address element for the tax representative

In short

Error: fails the selected checks.

FX-SCH-A-000771 means an electronic address block for the seller's tax representative contains no ram:URIID element or contains more than one. Keep exactly one, or remove the whole ram:URIUniversalCommunication block if you do not need it.

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What it means

Each ram:URIUniversalCommunication under ram:SellerTaxRepresentativeTradeParty must contain one ram:URIID element in the Extended profiles of Factur-X and ZUGFeRD. This rule counts elements. A single empty ram:URIID does not fail this count test.

Why it matters

The profile gives each electronic address block one element for the address. Missing or repeated elements do not match that structure.

How to fix it

Keep one ram:URIID containing the intended electronic address in each ram:URIUniversalCommunication under ram:SellerTaxRepresentativeTradeParty. Remove duplicate address elements. If you omit these communication details, remove the whole block rather than just its address element. Export the file again and recheck it.

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-000771 still fails, and which other rules do.

Updated 6 November 2026