You only report the 3rd Stimulus payment on your 2021 return. It was 1,400 per person. How much did you get? Double check your bank account. And the IRS should send you each a letter 6475 for half. If you haven't got both letters yet you should check both your IRS accounts to see what they Standard Deduction t you.
Your Online Account | Internal Revenue Service
You need to enter the full amount into your tax return. Then if you didn't get the full amount or qualify for more you will get credit for the missing amount on 1040 line 30. How much is on line 30?
