Create accounting timing

We have an issue were PO line type drives the accounting for receipts made against PO lines.  Occasionally the users will select the wrong line type resulting in the wrong accounting.  We were having them correct this by backing out the receipt and changing the line type and re-receiving.  This did not correct the accounting since when create accounting was run it did not re class the transaction since it did not recognize that the line type had been changed.  Is there a method for forcing it to reverse the original accounting associated with the transaction and not the current