SAP ABAP Table/Structure Field IRLO - IWERK (IRLO) is used by

• Class (2)
• Function Module (3)
• Program (9)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Function Module	AUTHORITY_CHECK_IRLO	All authorization checks for object IRLO = Reference functional location	ILOM	APPL	SAP_APPL
2	Function Module	INHERITANCE_FROM_REFERENCE	Inheriting from reference functional location	ILOM	APPL	SAP_APPL
3	Function Module	INHERITANCE_HIERARCHIC_RL	Inheritance of data from superior reference location	ILOM	APPL	SAP_APPL