Reduction of LTA entitlement in case of Leave without pay

Hi Expert,

As per the requirement, LTA entitlement for the year should be reduced if the employee is on leave (leave without pay) for some period of the year.

I have entered the LTA entitlement in infotype 0589. Now i want the system should take into account the leave without pay days and then pay the rest amount as LTA. Plz suggest the way.

Regards

TArun