A channel specific Vinetiq (V10) setting 'SET_WAI_OVERDUE' which is used to force the orders to 'WAI' status if there are invoice overdue (from invoice creation date for more than the set days in channel setting.
The channel setting will be set with integer value of the number of days invoices have to overdue for to set status to WAI forcibly.
E.g. -
Customer X of Channel A has invoices that are overdue for more than 35 days (from invoice creation date).
If Channel A has the setting SET_WAI_OVERDUE set to a value of 35 then
any order placed for a customer X would be forcibly set to status 'WAI'.