SAP ABAP Table/Structure Field ERCHU - BELNR (ERCHU) is used by

• Function Module (3)
• Program (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	ISU_DB_ERCHU_UPDATE_BILL	INTERN Update von ERCHU zu Rechnungsbeleg	EE20	IS-U/CCS	IS-UT
2	Function Module	ISU_FILL_ERCH_EITR_ETRG_FIELDS	INTERN: Füllen aller ERCH-, EITR- und ETRG-Felder	EE20	IS-U/CCS	IS-UT
3	Function Module	ISU_S_BILLDOCUMENT_DI	Internal: Update of Migration Billing Document	EE20	IS-U/CCS	IS-UT