Deductions & credits

Eligible sources of earned income from:
W-2 wages.
Self-employment
Salaries, tips.
Other employee compensation subject to California withholding.
Note: The 2017 tax year is the first time self-employment income can be used to qualify for Cal EITC.
<a rel="nofollow" target="_blank" href="https://www.ftb.ca.gov/individuals/faq/net/900.shtml">https://www.ftb.ca.gov/individuals/faq/net/900...>
Third Party Sick Pay is typically reported on a W-2.  Perhaps OP is thinking of CA Paid Family Leave that is reported on a 1099-G?