Here is the full process for entering Calif Form 592-B or 593:
Enter the Calif tax on Form 593 in the federal return so that the withholding can be included in your federal itemized deductions. TT/Calif will pick it up from there.
Federal Taxes tab
Deductions and Credits
I'll choose what I work on
Scroll down to Estimates and Other Taxes Paid
Select Other Income Taxes
Under Other Income Taxes Paid in 2018 is
Withholding not already entered on a W-2 or 1099 <Start>
Enter the $$ withheld in the State box (round to nearest dollar - don't enter pennies) and select California from the dropdown
In TT/Calif click through until you get to the screen Take a look at California credits and taxes, under Payments and withholding select Real Estate and Other Withholding. Check the 593 Box and you will be shown an image of the form to input the data for electronic filing. This will "sync up" the "other withholding" coming from the federal return and treat it properly on the Calif return.