verb (used with object), dunned, dun·ning.
to make repeated and insistent demands upon, especially for the payment of a debt.noun
a person, especially a creditor, who duns another.
a demand for payment, especially a written one.
(dictionary.com)
The noun «dun» is marked as archaic by The Oxford Dictionary of English.
Is "Dunning" the most widely used/precise term (and understandable by most people today) as a heading/menu entry in a modern solution to list and edit formal invoice reminders/demands? Or are there more natural alternatives?