DisputedAmountActivity is not a subclass of BusinssInteractionItem since it does not need all association from BusinessInteractionItem to other business entities<br/>DAARejected represents rejection by the enterprise, while DAACancelled represents cancellation of the request by the Customer.<br/>Further refinement of this model can be found in the Customer and Supplier/Partner domains.<br/>Figure BI.15 - Business Interaction Model (BusinessInteractionVersion not shown) shows the majority of the entities contained within the ABE.<br/>