There’s a typographical error on Schedule CA for Form 540. This is the form used by Californians to adjust their income and deductions from their federal tax returns to California’s.
The form mailed to California residents has an incorrect reference on side 2, line 38:
Line 38 currently reads:
38. Federal itemized deductions. Add the amounts on federal Schedule A (Form1040), lines 4, 9, 13, 19, 20, 27, and 28.
Line 38 should read:
38. Federal itemized deductions. Add the amounts on federal Schedule A (Form1040), lines 4, 9, 15, 19, 20, 27, and 28.
The instructions on page 56 of the Resident Booklet for Schedule CA (540) contain the correct line number reference.
Note that the online version of the form is correct (as are all other versions). The software that I use calculates the value on line 38 correctly.