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2. UBL Invoice
3. ubl:Invoice
4. cac:ProjectReference
5. cbc:ID

The identification of the project the invoice refers to.

Cardinality

1..1

Namespace

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

Data type

Document Reference

Example value

PID33

Business terms

BT-11