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Error

FX-SCH-A-000446: Add the seller electronic address scheme

In short

Error: fails the selected checks.

FX-SCH-A-000446 means your seller's electronic address (BT-34) is missing its schemeID attribute (BT-34-1). Add the scheme matching the address, such as EM for an email address or 0088 for a GLN.

On this page

What it means

Each ram:URIID inside ram:SellerTradeParty/ram:URIUniversalCommunication must have a schemeID attribute. This rule checks only attribute presence, not whether the value is empty or allowed. It applies to the Basic WL, Basic, EN 16931 and Extended profiles of Factur-X and ZUGFeRD.

Why it matters

The scheme code identifies the type of seller electronic address. This attribute check does not establish whether the address can be used for delivery.

How to fix it

Check the type of electronic address you have supplied for the seller. Add its matching schemeID to ram:URIID inside ram:SellerTradeParty/ram:URIUniversalCommunication, for example schemeID="EM" for an email address. Export your corrected file 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

Attribute '@schemeID' is required in this context.

Where this rule applies

Rule set Version
Factur-X 1.09 BASIC WL 1.0.9-2
Factur-X 1.09 BASIC 1.0.9-2
Factur-X 1.09 EN 16931 1.0.9-2
Factur-X 1.09 EXTENDED 1.0.9-2
ZUGFeRD 2.5 BASIC WL 2.5.2
ZUGFeRD 2.5 BASIC 2.5.2
ZUGFeRD 2.5 EN 16931 2.5.2
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-000446 still fails, and which other rules do.

Updated 6 November 2026