SAP ABAP Table P1728 (Infotype 1728) is using

• Data Element (23)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Table	HRI1728	Holds/Statuses
2	Table	HRIADMIN	Infotype Administration Data
3	Table	HRIPKEY	Key Structure for Infotype Structures PNNNN
4	Table	T777Z	Infotype Time Constraint