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  4. cac:AdditionalDocumentReference

cac:AdditionalDocumentReference

Additional document reference are used for different document references, required document, provided document. To reference several types, the additional document should be repeated for each type.

Namespace
cac urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2
Data type
cbc:DocumentReference
Child elements
Card Name Description
1..1 cbc:ID

Document identifier
An identifier that is specified by the buyer and used as a reference number for all documents in the procurement process. It is also known as procurement project identifier, procurement reference number or contract folder identifier.

0..n cbc:XPath

Reference to an cac:Attachment
An xpath expression to reference an cac:Attachment where questions can be asked or refer a file within the ASiC-e.

Rules
Identifier/Error message Flag
PEPPOL-T007-R029
At least one XPath MUST be given.		 fatal