You will need to amend the 2019 tax return that was filed to add the Form 1095-A and create the Form 8962. See this TurboTax support FAQ for amending a 2019 tax return originally completed and filed using the TurobTax online editions - https://ttlc.intuit.com/community/tax-topics/help/how-do-i-amend-my-2018-turbotax-online-return/01/9...
To enter your Form 1095-A -
- Click on Federal Taxes (Personal using Home and Business)
- Click on Deductions and Credits
- Click on I'll choose what I work on (if shown)
- Scroll down to Medical
- On Affordable Care Act (Form 1095-A), click the start or update button
Or enter 1095-a in the Search box located in the upper right of the program screen. Click on Jump to 1095-a
