SAP ABAP Message Class E8 (IS-U account) is used by

• Function Module (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	ISU_ACCOUNT_SEL_PARTNER	Ermittelt alle Vertragskonten zu einem Partner	EE03	IS-U/CCS	IS-UT
2	Function Module	ISU_ACCOUNT_SEL_PARTNER_ADDR	Ermittelt Vertragskonten, die bestimmte Partneradressen verwenden	EE03	IS-U/CCS	IS-UT