SAP ABAP Data Element XBKPF_021 (Indicator: Read document header?) is used by

• Table (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	T021Z - XBKPF	Line Layout Variants	FBAS	APPL	SAP_FIN
2	Table	T180Z - XBKPF	Reporting: Display Variants	VS0C	APPL	SAP_APPL