It's not actually reported on a line in your 2019 return.
The 2019 Capital Loss Carryover to 2020 is computed using a worksheet in the 2019 Instructions for California Schedule D (540), California Capital Gain or Loss Adjustment.
According to California Capital Loss Carryover Worksheet, you compute your carryover to 2020 by calculating the:
- Loss from Schedule D (540), line 11, stated as a positive number.
- Amount from Form 540, line 17.
- Amount from Form 540, line 18.
- Subtract line 3 from line 2. If less than zero, enter as a negative amount.
- Combine line 1 and line 4. If less than zero, enter -0-
- Loss from Schedule D (540), line 8.
- Enter the smaller of line 1 or line 5.
- Subtract line 7 from line 6. This is your capital loss carryover to 2020.
