/visma-net-erp/help/work-processes/configure-and-apply-overdue-charges section You must decide how many payment reminders your company wants to send to the customer. 2026-02-19T17:09:06+01:00 # Configure and apply overdue charges You must decide how many payment reminders your company wants to send to the customer. ## Before you start > [!NOTE] > To create payment reminders, you must configure the system correctly. If not, you cannot create reminders, send dunning letters or calculate overdue charges, write-offs and interests.

	Enable or disable overdue charges
	Create an account
	Add a text for dunning letters and reminders
	Configure an overdue charge code
	Make overdue and dunning settings in the Customer ledger preferences

## Processing options [Make customer-specific changes](/visma-net-erp/help/customer-ledger/manage-customers/make-customer-specific-changes/) [Create a purchase credit note for an existing purchase invoice (AP301000)](/visma-net-erp/help/supplier-ledger/process-purchase-invoices/create-a-purchase-credit-note-for-an-existing-purchase-invoice/) [Prepare dunning letters by document](/visma-net-erp/help/customer-ledger/manage-dunning-letters/prepare-dunning-letters-by-document/) [Prepare dunning letters by customer](/visma-net-erp/help/customer-ledger/manage-dunning-letters/prepare-dunning-letters-by-customer/)