You can adjust the amounts on receipt entries.
To adjust a document during receipt entry:
In the Apply column for the for the document to which are applying the receipt, select Yes and then:
In the Applied Amount column, enter the amount to apply to the document. You cannot apply more than the total amount of the applied document.
Click Adjust.
The A/R Miscellaneous Adjustment Entry screen appears.
In the table, for each adjustment detail:
Enter a distribution code or general ledger account number