SAP ABAP Table /BEV3/CH_AMC (Field Catalog Enhancement SIS) is using

• Data Element (47)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	MCVBRPUSR	User Structure: Billing Document - Item Data
2	Table	VBRK	Billing Document: Header Data
3	Table	VBRP	Billing Document: Item Data