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2. EHF Payment Request 3.0
3. ubl:Invoice
4. cac:AdditionalDocumentReference
5. cac:Attachment
6. cac:ExternalReference
7. cbc:URI

The URL (Uniform Resource Locator) that identifies where the external document is located. A means of locating the resource, including its primary access mechanism, e.g. http:// or ftp://.

Cardinality

1..1

Namespace

cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2

Data type

Text

Example value

http://www.example.com/index.html

Rules

Identifier/Error message	Flag
EHF-PR-B02901 Document MUST NOT contain elements not part of the data model.	fatal