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2. Peppol Invoice transaction 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://.

Namespace

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

Data type

Text

udt:IdentifierType

Example value

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

Business terms

BT-124

Rules

Identifier/Error message	Flag
DE-R-T02 [DE-R-T02]-If both supplier and customer are located in Germany, BT-124 "External document location" must contain an absolute URL with valid scheme.	warning