Ask an admin of your company to go to: Settings > Customer Portal
Activate the feature "Show the list of Payments"
Activate the feature "Allow Customer to request Invoices to apply to Pre and Overpayments"
Click on "Save"
Allow Customers to Request to Apply Prepayments and Overpayments
Let your customers request what they want to do with unapplied payments.
Written by Kolleno Support
Updated over a year ago