Per the 1120S form instructions for line 8:
"Include fringe benefit expenditures made on behalf of officers and employees owning more than 2% of the corporation's stock. Also report these fringe benefits as wages in box 1 of Form W-2. Do not include amounts paid or incurred for fringe benefits of officers and employees owning 2% or less of the corporation's stock. These amounts are reported on line 18. See the instructions for that line for information on the types of expenditures that are treated as fringe benefits and for the stock ownership rules."
To enter the Officer health insurance on Form 1120S, line 8, for Officers owning more than 2% of the corporation's stock:
- Go to the Input Return tab.
- From the left of the screen, select Ordinary Income and choose Deductions.
- Scroll down to the Salaries and Wages subsection.
- Enter the amount in Salaries and wages.