Check the client payment record settled which sales invoice.
- Customer list/Customer Card Customer Ledger Entries
*User can also directly find "Customer Ledger Entries" to find all the customer ledger 
Check from the settlement entries.
- Select the payment entry Entry Applied Entries
- System shown the applied sales invoice on the screen
Check from the sales invoice settled by which payment record.
- Select the sales invoice entry Entry Applied Entries
- Related payment record will be shown on the screen
