SAP ABAP Data Element REFBELNR (Reference document number of an accounting document) is used by

• Class (7)
• ECTD (1)
• Function Module (9)
• Program (9)
• Table (167)
• View (6)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	FB_ICRC_BADI_DATA_CHECK	Check Data Provided by Customer Through BAdI	FB_ICRC	EA-FIN	EA-FIN
2	Function Module	FB_ICRC_HANDLE_GOS	Handling of Generic Object Services	FB_ICRC	EA-FIN	EA-FIN
3	Function Module	FMFG_DERIVE_ACCOUNT REFERENCE(I_REFDOCNR) TYPE REFBELNR	Calls the derivation and controls trace	FMFG_BLEXT_E	EA-PS	EA-PS
4	Function Module	FMFG_DERIVE_LOG_TRACE REFERENCE(I_REFDOCNR) TYPE REFBELNR	Log the results of a trace	FMFG_BLEXT_E	EA-PS	EA-PS
5	Function Module	FMFG_FIELD_MOVEMENT REFERENCE(I_REFDOCNR) TYPE REFBELNR	Calls the derivation and controls trace	FMFG_BLEXT_E	EA-PS	EA-PS
6	Function Module	GM_OPEN_ITEM_NUMBER VALUE(I_BELNR) LIKE GMIA-REFDOCNR OPTIONAL	OI Interface: Post	GMACCOUNTING_E	EA-PS	EA-PS
7	Function Module	GM_OPEN_ITEM_NUMBER VALUE(I_EBELN) LIKE GMIA-REFDOCNR OPTIONAL	OI Interface: Post	GMACCOUNTING_E	EA-PS	EA-PS
8	Function Module	G_READ_DOCUMENT_WITH_REFDOCNR VALUE(REFDOCNR) LIKE GLU1-REFDOCNR	Einzelposten mit Referenzbelegnummer lesen	GBAS	APPL	SAP_FIN
9	Function Module	G_RWIN_REVERSE	Echter Storno - Hauptverarbeitung (entspricht G_RWIN_CHECK)	GBAS	APPL	SAP_FIN