What to put HSA last month penalty taxable income on line 21 other on Schedule 1?

If you're wondering what to put HSA last month penalty taxable income on line 21 other on Schedule 1, you're not alone. Understanding how to handle these aspects of your Health Savings Account (HSA) can be confusing, but it's essential to ensure you're compliant with IRS regulations. Let's break it down.

Firstly, you need to report any HSA contributions and distributions correctly on your tax return. Here's what you need to know:

  • Contributions made to your HSA are usually tax-deductible, meaning you can reduce your taxable income by the amount you contribute.
  • Any distributions or withdrawals you make for qualified medical expenses are tax-free.
  • If you use HSA funds for non-qualified expenses, you will owe taxes on the withdrawn amount, plus a 20% penalty for those under 65 years old.

When it comes to the last month rule penalty on line 21 of Schedule 1, this is where you would report any excess contributions you made to your HSA and subsequently withdrew. The penalty for not following the last month rule is 6% of the excess contribution amount.

On line 21 of Schedule 1, you will include this penalty amount in the 'Other Income' section. This ensures that the IRS is aware of the penalty you incurred for overcontributing to your HSA.

It's crucial to accurately fill out these sections of your tax return to avoid any issues with the IRS and to make the most of your HSA tax benefits. If you're unsure about how to handle these aspects of your HSA on your taxes, consider consulting a tax professional for guidance.


When it comes to reporting your HSA last month penalty on line 21 of Schedule 1, clarity is key. It’s important to recognize that the penalties for excess contributions can add up quickly and understanding the rules ensures you don’t get hit with unexpected tax bills later on.

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