Question

How do I edit the California Sch c

I'm in the reviewing process and an entry for Sch C for Calif can't be edited What can I do?

You will be able to edit your business income in the state interview section of the program.

Select State in the black panel on the left hand side of your screen when logged into TurboTax.
This will take you to a screen titled Let's get your state taxes done right. Click continue on this screen.
You will see the following screen titled Status of your state returns. Select Edit to the right of California to review your entries.

Edit state

On the summary page titled Your 2020 California taxes are ready for us to check, select Income and adjustments.

Continue through the screens until you see Business Summary.
Select Edit to the right of your business activity and make your adjustment here as needed. (There will be a specific screen titled Other Adjustments as well.)

CA adjustments