SAP ABAP TYPE ISUAR (ISUAR) is using

• Table/Structure Field (35)
• Table (17)

#	Object Type	Object Name	Object Description	Note
1	Table	DBERCHR	Discnt for Bill.Line Item
2	Table	DBERCHT	Texts for billing documents
3	Table	DBERCHU	Conversion Steps per Billing Line Item
4	Table	DBERCHV	Consumption History
5	Table	DBERCHZ	Individual Line Items
6	Table	DBERCHZ1	Individual line items
7	Table	DBERCHZ2	Individual line items (device data)
8	Table	DBERCHZ3	Individual line items (amount and price data)
9	Table	DBERCHZ4	Individual line items (rarely used fields)
10	Table	DBERDTAX	Tax Indicator Information for a Print Document
11	Table	ERCH	Billing Doc. Data
12	Table	ERCHARC	Index for Archivable Billing Documents
13	Table	ERCHC	Invoicing/Reversal History: ERCH
14	Table	ERCHO	Outsorting Table for Billing
15	Table	ERCHP	Analysis periods for dynamic period control
16	Table	ERDK	Print Document/Header Data
17	Table	ETAXERCH	Index Table for Tax Storage/Billing Documents