In that case line 14 of your 2020 Form 8606 carried forward to line 2 of your 2021 Form 8606 to be combined with the amount on line 1 with the entire sum appearing on line 14. Line 14 of the 2021 Form 8606 will carry forward to line 2 of your 2022 Form 8606 to be used in calculating the taxable amount of your 2022 Roth conversion(s). If you make a nondeductible traditional IRA contribution for 2022 and also convert that in 2022, those amount will also be included on your 2022 Form 8606.
