If this is in regards to the employer contribution to a Health Savings Account, HSA, that is added to the California state return as an addition to income.
According to the state of California:
“Employer health savings account (HSA) contribution – Enter the amount of any employer HSA contribution from federal Form W-2, Wage and Tax Statement, box 12, code W on line 1h , column C.”
If this is about something else, please continue the question.
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