Leave without pay(LWP) refers to the leave availed by an employee with prior consent and approval by designated authority. No amount is deducted from the employee’s salary for taking this type of leave if he has sufficient leave balance with him. Loss of Pay(LOP) refers to the leaves taken by the employees without approval from the manager. When an employee in the organization takes leave without following the norms it is considered as LOP days means employees would not be compensated for the absence.