SAP ABAP Table/Structure Field TNRO - NRFLD (TNRO) is used by

• Class (1)
• Function Module (4)
• Program (8)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	CNV_NCE_DETERMINE	Determine all number objects in a system	CNV_NCE_BAS	DMIS	DMIS
2	Function Module	NUMBER_RANGE_OBJECT_UPDATE	Number range: Insert or change object	SZN	BASIS	SAP_BASIS
3	Function Module	NUMBER_RANGE_UPDATE_CLOSE	Number range: Close number range changes on database	SZN	BASIS	SAP_BASIS
4	Function Module	NUMBER_RANGE_UPDATE_INIT	Number range: Initialize number ranges and groups (display, maintain)	SZN	BASIS	SAP_BASIS