SAP ABAP Program RGMGBR20 (Substitution Maintenance) is using

• Table/Structure Field (3)
• Function Module (1)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	GB03	Validation/Substitution User
2	Table	GB31	Validation/Substitution Callup Points
3	Table	GB92	Substitutions