Is there a way to change accounting entries on TR-03

I am configuring 'Transfer to Doubtful Accounts' functionality.  I see that the way the delivered functionality works, the entries generated are DB Doubtful AR and CR AR account on the item.  My question is  - Is there anyway, we can change this behavior to DB a Doubtful Expense account and Credit a Doubtful AR account.  In other words, we want to leave the original AR balance alone and instead maintain a credit balance of doubtful AR.