A billing account and its invoices are considered dunning eligible when they meet certain requirements. Only dunning eligible billing accounts and invoices are evaluated for dunning tier placement.

When a billing account is dunning eligible, the invoices are then evaluated for eligibility. When a billing account is considered not eligible, the invoices are not evaluated for eligibility.

Billing Accounts are considered dunning eligible when they meet all of the following criteria:

• The dunning_state entity of the billing account has enabled set as true.

• The status of the dunning plan assigned to the dunning state entity is ACTIVE.

• The status of the billing account matches the list of enabled statuses configured for the system setting Billing account statuses that are required for dunning to be actively processed for an account.

Invoices are considered dunning eligible when they meet all of the following criteria:

• The billing account meets the requirements above.

• The due_date occurs before the current date.

• The status is OPEN.

• The amount is greater than 0.

• The amount_to_pay is greater than 0.

• The invoice is not disputed, disputed = false.

• The invoice is not in a payment plan, payment_plans = [ ].