Payee email address required

Error FX-SCH-A-000911 Factur-X

Element 'ram:URIID' must occur exactly 1 times.

Mandatory rule: As long as it is violated, the invoice is invalid and will be rejected by validators.
What is wrong

ram:URIID is missing from ram:EmailURIUniversalCommunication or occurs more than once. Exactly one ram:URIID element is required.

What the rule means

The ram:URIID element contains the contact's email communication entry. The rule requires exactly one such entry.

Please provide exactly one email address for the payee's contact

The contact's email communication entry does not contain exactly one ram:URIID element. Add or adjust the entry so that one element remains.

What to do
  1. Find ram:EmailURIUniversalCommunication in the payee's ram:DefinedTradeContact.
  2. Ensure that this element contains exactly one ram:URIID.
  3. Regenerate the invoice and validate it again.
What it looks like
✗ Triggers the message 
<ram:EmailURIUniversalCommunication/>
✓ Correct 
<ram:EmailURIUniversalCommunication>
  <ram:URIID>contact@example.com</ram:URIID>
</ram:EmailURIUniversalCommunication>
Technical details

The check verifies that ram:EmailURIUniversalCommunication contains exactly one direct ram:URIID element.

Where the rule applies

The rule applies to the contact's email communication entry in the payee's ram:DefinedTradeContact.

Context (rule/@context)
/rsm:CrossIndustryInvoice/rsm:SupplyChainTradeTransaction/ram:ApplicableHeaderTradeSettlement/ ram:PayeeTradeParty/ram:DefinedTradeContact/ram:EmailURIUniversalCommunication
Test expression (assert/@test)
count(ram:URIID)=1