Turn off the Auto Proration within the system

Would it be possible to add a setting so we can turn off the auto proration calculations within the payrolls for starters, leavers, absences etc as we currently have to check each of these as PayCircle's figure is more often than not wrong. As we are having to check each figure anyway we might as well just enter the pro-rated figures manually. It would be useful if this option was added at Bureau level so we can just turn it off for every payroll we manage.