In the TurboTax instructions for AMTI, "What if I do not have Form 6251 for Alternative Minimum Tax Income for 2020", the guidance reads to following:
If you think your AMTI might be different than your "regular" taxable income (Form 1040, line 10), you'll need to determine what your 2020 Alternative Minimum Taxable Income was and enter it here. If you don't know your AMTI, most people will get the same result using your "regular" taxable income (2020 Form 1040, 10).
My 2020 Form 1040-SR, Line 10, is for "Adjustments to income". Taxable income is listed in Line 15. Is the guidance in TurboTax in error?
