SAP ABAP Program V05DZZAK (User include SAPLV05D) is using

• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	VBAK	Sales Document: Header Data
2	Table	VBDKA	Document Header View for Inquiry,Quotation,Order
3	Table	VBDKAZ	Doc.Header View Inquiry, Quotation, Sales Order: Cust.Mod.