SAP ABAP Table PSO23 (Summary Key, Closing Posting Day) is used by

• Domain (1)
• Function Module (1)
• Program (2)
• Table (4)
• TYPE (2)
• View (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	TYPE	FMKTA	FMKTA	FMKO	EA-PS	EA-PS
2	TYPE	PSKW	PSKW	FMKW	EA-PS	EA-PS