Partnership Full 19 - Loss brought forward from earlier year(s) set-off against profits
Enter in this box any losses from this activity in the tax year 6 April 2019 to 5 April 2020, or earlier years, which you've claimed to carry forward against later profits.
You can carry your loss forward to set against any future profits. If you had any losses from earlier years that you have not already used, enter this amount in the box. This must not be more than the total amount of 'Share of profit or loss for 6 April 2020 to 5 April 2021' and 'Adjustment to profit or loss for basis period'.