The requirement is to pick the exchange rate from the last date of the month in the invoice. (For example invoice is created on 3 April, 6 April and so on but exchange rate should be picked from last date of previous month i.e; 31 march. We need to pick exch. rate date always from one day before serv. Rend. Date. For example invoice is issued on April 6 with serv. Rend. Date 31 March, so exch rate needs to be taken from 30 March.IS there any BADI to add the customization.Please give me your inputs.