How do I enter my Covid-19 qualified 401k withdrawal for just one third the amount shown on my 1099-R for the withdrawal?

You can't...just yet.   The questions are not in the system yet since the form has not been finalized by the IRS.   So, just enter the form now as it is and later, once the form has been finalized, come back and you will be able to apply the relief options.  

If you need to take money out of your retirement account early due to COVID-19, don’t worry! Those who qualify as individuals directly impacted by the pandemic will be able to withdraw up to $100k from their retirement accounts without facing the 10% early withdrawal penalty.

You qualify if:

• You, your spouse, or your dependent are diagnosed with COVID-19
• You experience adverse financial consequences as a result of being quarantined, furloughed, or laid off
• You had work hours reduced to COVID-19
• You’re unable to work due to child care closure or hour reduction

The distribution would be taxed over 2020, 2021, and 2022. You’ll have that time to pay back the funds you withdrew, without the amount impacting that year’s cap on contributions, and if you pay back the amount within that time, you’ll be able to claim a refund on those taxes.

As things change, TurboTax is continually updated and able to handle every situation that arises to ensure your taxes are done right, so you’ll receive your maximum refund.