If the amount of net income reflected on California Form 100 California Corporation Franchise or Income Tax Return Line 1 doesn't match the amount on Federal Form 1120 U.S. Corporation Income Tax Return page 1, Line 28, it may be due to the amount(s) entered as a deduction for taxes (i.e. state and local, payroll, etc.) entered on Federal Form 1120 page 1, Line 17 and also on California Form 100, page 3, Schedule A. As the program is unable to accurately determine the California deductible amount(s) based on entries in the program, the amount(s) cannot be transferred from the Federal return and the California entry must be completed separately.
To make that entry in TaxAct 1120:
Once the steps are completed, you will see any tax deduction entered reflected in Line 1 of California Form 100.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.