If you want to carry back a loss from the next to the current year, you roll forward to the next year and follow the steps to carry back a loss above to make the transaction.
Before you carry back a loss from the next to the current year, make sure the rest of the Return is complete and correct. This is because, after this point, any schedules that you create or delete in the current or next tax year may cause a malfunction of the Client Review Tool, Information Request Schedule, and the Data Carried Forward.