If you are self-employed, you can enter your retirement contributions in TurboTax Home & Business using these steps:
Click Business > Continue > I'll choose what I work on
On the screen, Let's gather your business info, scroll down to the Less Common Business Situations section.
Click on the Start/Update box
next to Self-Employed Retirement.
the Self-Employed Retirement Plans screen, click Yes.
You will first be asked if you contributed to Individual and Roth 401(k) Plans. Click Continue if this doesn't apply.
Next you will be asked about any Keogh, SEP and SIMPLE Contributions.
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