Dunning letters will be shared with Customers registered mail, along with that we can tag the contacts of the customers. A customer may have multiple contacts associated with them. It is possible to associate them also in the Dunning letters shared with customers.
Go To List> Relationships> Customers> Edit
under the Dunning Subtab
If you want to send dunning letters to this customer by email, check the Allow Letters to be
Emailed box.
Click the Dunning Recipient subtab.
Select the Dunning Receipient from the List
Only Contacts created in the NetSuite Account will be listed.
Save the Customer record. From the Next evaluation onwards the dinning letters will also be shared with the Contacts.