SAP ABAP Class CL_ISU_BI_SUB_INST (Bill Secondary Installation) is using

• Class (10)
• Table/Structure Field (58)
• Function Module (4)
• Interface (1)
• Message Class (3)
• Message Number (4)
• Class Method (8)
• Program (3)
• Table (23)
• View (2)

#	Object Type	Object Name	Object Description	Note
1	Message Class	AJ	Billing program
2	Message Class	AJ	Billing program
3	Message Class	E9	General IS-U Error Messages