@Doug Kariker -
1) what is on Line 30 of Form 1040? is that the same amount as the IRS adjustment?
2) you were eligible for $1400 for each person listed on your tax return LESS what you already received for the 3rd rebate in March - May, 2021.
3) How much did you receive in March - May, 2021? CHeck you bank statements - please do not do from memory.
4) what the IRS is saying is that the amount you said you received in Turbo Tax is not the same amount that the IRS records as having sent to you. So they adjusted your return accordingly.
5) if the number of people on your tax return times $1400 LESS the amount you received in March - May, 2021 is less than or equal to zero, then Line 30 should be zero, not the number you have on your tax return. That is why the IRS adjusted your return.
make sense?
