An identifier for an object on which the invoice is based, given by the Seller, or the identifier for the supporting document.
cbc urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2AB23456| Use | Name | Description | 
|---|---|---|
| O | @schemeID | 
         
            Scheme identifier 
            Example value:   | 
| Identifier/Error message | Flag | 
|---|---|
| BR-52 Each Additional supporting document (BG-24) shall contain a Supporting document reference (BT-122).  | 
            fatal |