To submit information for the first 2 rounds, if the deposit is sent to account because there are insufficient funds to send information around the 2 to clearing again.
To send for debiting second round if the first payment is not due to insufficient funds in the account. There will be a second round submission to the clearing again.
Send data for direct debit 2 around. If the first round is not due to clearing non-sufficient funds will send information to break around the 2 account again.