Sage X3 HR & Payroll Portal has this parameter and a leave request can be canceled in the portal depending on the value entered here.
For example, if the value of this parameter is 30 and the date is February 15, 2009, leave requests starting at earliest on January 15, 2009 can be entered.
This parameter is defined at the level Site.It belongs to Chapter CP (Paid leave-X3P) and the Group MIS (Miscellaneous).
This parameter is defined at site level.