first tell how your processing over time? i mean its negative time or positiove time(running time evaluation?
I asume its positive time.
what i undertood from your threat is, Staff upto E3 grade (here i asume that upto E3 grade mean your talking about employee group or employee subgroup.
again your condtion is on personnel sub area and also G shift in IT0007?
employee who are fallen in above mention criteria will eligible to OVERTIME.
for this you can write PCR using operation OUTWP
OUTWPPLTSC---Personnel sub area
OUTWPPERSG--Employee group
OUTWPPERSB---Employee sub group
OUTWPSHIFT---Workschdule Rule IT0007