Carry back and Roll back

Carry back verb - Deduct a loss or an unused credit from taxable income for a prior period.

Roll back and carry back are semantically related in give back topic. In some cases you can use "Roll back" instead a verb "Carry back".

Roll back verb - To put an end to by formal action.

Carry back and roll back are semantically related in give back topic. Sometimes you can use "Carry back" instead a verb "Roll back".