An identifier for an object on which the invoice is based, given by the Seller.
SB-IBT-0181..1cbc:IDurn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2| Identifier | Message | 
|---|---|
| IBR-078 | [ibr-078]-Only one invoiced object (ibt-018) is allowed on document level. | 
| Card. | Term | Name | 
|---|---|---|
| 0..1 | @schemeID | The identification scheme identifier of the Invoiced object identifier. If it may be not clear for the receiver what scheme is used for the identifier, a conditional scheme identifier should be used that shall be chosen from the UNTDID 1153 code list [6] entries. |