This field is only available for entry if the Origin field is set to 'Supplier', 'Internal' or 'External'. This field determines which documents can be linked to this incidence of non-conformance.
Note the following before deciding whether you should add (or clear) a Supplier code.
Leave the supplier code displayed if this non-conformance was raised directly from a Purchase receipt; Type in, or select from the BP Suppliers table (table BPSUPPLIER) the code of the supplier that can be identified as the original source or reporter of this incident. You can only link a document to this non-conformance that is associated with this supplier if this field contains a supplier code.
You can only identify a supplier or a customer, not both, as the source of this incident, or you can leave the supplier/customer blank. If you leave it blank you add suppliers and customers directly into the Reported by section instead and the documents you can link to it are not constrained.
You can only link a document to this non-conformance that is associated with this supplier if this field contains a supplier code.