Here is information about AMT:
https://ttlc.intuit.com/questions/1899184-what-is-the-alternative-minimum-tax-amt
Additional information:
https://ttlc.intuit.com/replies/5361941
Some taxpayers might get a credit for Alternative Minimum Tax
(AMT) paid in a prior year. This credit is calculated on Form 8801: Credit of
Prior Year Minimum Tax.
To enter the information for Form 8801 in TurboTax Online:
Click Tax Tools (lower left side of your
screen).
Click Tools.
In the pop-up window, click Topic Search.
In I’m
looking for: box, type 8801.
In the topic box, highlight 8801, prior year amount, then click GO.
Follow the screen prompts. Repeat for other
forms needed
