Before you can start adding finance charges to tardy payments, you’ll need to let QuickBooks know how you want them handled. QuickBooks also needs to know on what date it should start calculating finance charges: on the due date or invoice/billed date. Finally, Assess Finance Charges in QuickBooks Desktop check the box in front of Mark finance charge invoices “To be printed.” QuickBooks does the heavy lifting as far as calculations are concerned, but it is important that you set your finance charges up correctly.
See Also: How to Import Paychecks Journal Entry to QuickBooks