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Error

FX-SCH-A-000893: The invoicer's contact phone entry needs exactly one number

In short

Error: fails the selected checks.

FX-SCH-A-000893 means a phone entry for the invoicer's contact contains no ram:CompleteNumber element or more than one. Put the intended phone number in one ram:CompleteNumber within that entry.

On this page

What it means

Each ram:TelephoneUniversalCommunication under ram:InvoicerTradeParty/ram:DefinedTradeContact must contain one ram:CompleteNumber child. The test counts these elements; it does not check whether the number is filled in or correct.

Why it matters

Each contact phone block has one complete number field in the Extended profile.

How to fix it

Check ram:InvoicerTradeParty/ram:DefinedTradeContact/ram:TelephoneUniversalCommunication. Add a missing ram:CompleteNumber with the contact's phone number, or keep the intended number and remove extra ram:CompleteNumber 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:CompleteNumber' 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-000893 still fails, and which other rules do.

Updated 6 November 2026