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Error

FX-SCH-A-000800: The ship-from contact telephone block needs one number field

In short

Error: fails the selected checks.

FX-SCH-A-000800 means a ship-from contact telephone block contains no ram:CompleteNumber element or contains more than one. Make sure each ram:TelephoneUniversalCommunication block contains exactly one ram:CompleteNumber for the phone number.

On this page

What it means

This rule counts the direct ram:CompleteNumber children of each ram:TelephoneUniversalCommunication under ram:ShipFromTradeParty/ram:DefinedTradeContact. It requires one element, but does not check whether its text is empty or is a valid phone number.

Why it matters

The Extended profile requires one number field within each contact telephone block. Omitting or repeating that field does not match the required XML structure.

How to fix it

Under ram:ShipFromTradeParty/ram:DefinedTradeContact/ram:TelephoneUniversalCommunication, add ram:CompleteNumber if it is missing or remove extra ram:CompleteNumber elements. Put the intended phone number in the remaining element, then export your invoice 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: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-000800 still fails, and which other rules do.

Updated 6 November 2026