how to track distribution lines against payments in R12.2.6

Hi,

Is is possible to track for which distribution lines the payment is made

Ex: Crated manual invoice for  $150

       Single Invoice Line No#1

       Multiple distributions Line No#1 $100, Line# 50

     Payment is done for $100 By matching AP-Invoice

Now out of $150, Payment made is 100$ and remaining is 50$

Now how to track for which distribution lines the amount is paid and the same for remaining amount..?

Pl. let me know

Regards,

Raj.