Use Credit Memo dispute workflow but NOT have credit created in AR?

We need a credit memo dispute workflow and it sounds like the iReceivables CM dispute workflow is a perfect fit.  The only thing we do NOT want is the creation of a credit memo in AR (all of our transactions, including credits, need to come from Order Management or Projects).  Once a dispute gets approved via workflow, the order management staff will create the credits manually in OM or PA.  I'm looking for feedback on this idea to use the standard dispute workflow to manage the process through approval, but turn OFF the last step of creating a credit in