/ubl:Invoice/cac:AdditionalDocumentReference

VRBL-Invoice-CH-YellowBill-3p0 - Additional Document Reference Group

Switzerland | VRBL-Invoice-CH-YellowBill-3p0

Context ID	INV0213
Usage	O*

Description

A group of business terms providing information about additional supporting documents or referenced documents substantiating the claims made in the Invoice.

Child elements

Usage	Element	Description	Cardinality
M	`cbc:ID`	Additional Document Reference ID An identifier for the referenced document.	1..1
O	`cbc:IssueDate`	Additional Document Reference Issue Date The date, assigned by the sender of the referenced document, on which the document was issued.	0..1
O	`cbc:DocumentDescription`	Additional Document Reference Document Description Text describing the referenced document.	0..n
O	`cac:Attachment`	Attachment Group The referenced document as an attachment to the document from which it is referenced.	0..1

Details

Example: VRBL_CH_INVOICE_Invoice-FULL.xml

<ubl:Invoice>
  <!-- ... omitted for readability -->
  <cac:AdditionalDocumentReference>
    <cbc:ID schemeID="VN">66554433</cbc:ID>
    <cbc:IssueDate>2026-06-01</cbc:IssueDate>
  </cac:AdditionalDocumentReference>
  <!-- ... omitted for readability -->
</ubl:Invoice>

Rules

Rule ID	Error Message
VRBL-INV-CORE-85	The Additional Document Reference Group expects a maximum of one Additional Document Reference Document Type.
VRBL-INV-CORE-86	The Additional Document Reference Group expects a maximum of one Additional Document Reference Document Description.