Line 9 Social Security Adjustment
Social security benefits are not taxable for Wisconsin. You may subtract any social security benefits that were taxable on
your federal Form 1040. Fill in on line 9 the amount from line 5b of federal Form 1040.
Since the SS income was not taxable income, the medicare withheld then can not be a deduction as you were not taxed on the related income.
see pages 17 and 18.
https://www.revenue.wi.gov/TaxForms2017through2019/2018-Form1-inst.pdf#page=17
The following amounts may not be included in the subtraction for medical care insurance:
• Insurance premiums paid by an employer, including amounts paid by you through payroll deductions, unless the
premiums are included as wages in box 1 of your Form W-2.
• The amount of employer-provided medical insurance that is identified on your W-2 in Box 12 with Code DD.
• Medical care insurance premiums that are deducted pre-tax.
CAUTION If you participate in your employer’s fringe benefit cafeteria plan and agree to a voluntary salary reduction in
return for a medical care insurance benefit, you may not consider the amount of your salary reduction an amount you paid
for medical care insurance. You cannot subtract premiums paid with money that has not been included in your gross income.
These programs may be known as flexible spending accounts, employee reimbursement accounts, etc. Some employers
may identify these amounts on your pay stubs as Internal Revenue Code sec. 125 or as a pre-tax deduction.
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