How do I verify whether I received the 20% Pass-Through Tax Deduction for Business Owners Under the Tax Cuts and Jobs Act? I don't think I did. 2019, online version.

[Critter-3]

Look at line 10 of the 1040  and the worksheet to see the calculations.

[fanfare]

Always print a copy of your completed tax return for your records, and review it carefully before e-Filing.
You will need it if you are audited by the IRS, or to amend if a TurboTax update changes your return or for any other reason.
AND, to find your AGI next year.

OR, to verify your deductions have been applied.