A credit is created when a payment has been made for more than the billing amount. The user has the ability:

in Billings, to apply credit from the overpayment to an existing Billing. Please refer to the Apply/Manage Credits section in Billings in order to apply credits to an existing Billing.

The customer of the overpayment and the customer of the credit billing must be the same.

in Credits, to refund the overpayment by issuing a 'Refund Credit' (disbursement) to the customer.

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