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Advance payment interest calculation


        We need to implement advance payment from customer functionality , for that we have planned to put advance payments made by customer as on account payments , which will get cleared (allocated) to bill generated for customer at later dates. But we have to calculate interest on the payment amount every six months . for that we have updated an interest key to the payments made by customer . now when we calculate interest on the payment only payment amount (Credit) which is open on the day of interest calculation , interest is calculated . but the item which has been cleared is not available for interest calculation . we are using FPI1 and FPINTM1 to calculate interest . Is there any way we can calculate interest on the cleared amount.

Example --

On-account payment - 1000  on 01.04.2013

partial clearing on 15.04.2013 with bill .

item-1--On-account payment - 700   (Open)

item-2--On-account payment - 300   (cleared)

currently system calculates interest on item 1

item-1--On-account payment - 700   (Open)  

what we need

interest calculation on

On-account payment - 1000  till 01.04.2013----15.04.2013 (because the item was open till this date )

On-account payment--  700        16.05.2013-- till interest run date (because its still open )

Is this functionality achievable using the FPI1 or FPINTM1


1) In the define interest key we have selected -- consider all items for interest calculation

2) In FPI1 we have selected option credit item and all items in interest parameters.

Former Member
Former Member replied


        just got reply from sap ,event 2065 needs to implemented with customer logic for the above process to work .

Thanks Bob, Amlan , william , satyajeet  for helping out .

Issue resolved .

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