SAP ABAP Table EK08Z (Additional Data: Dialog Invoice Item with PO Ref.) is using

• Data Element (42)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	DRSEG	Invoice Item (Dialog Processing)
2	Table	EK08G	Joint Fields for EK08RN and EK08BN
3	Table	EKKO	Purchasing Document Header