The $1400 stimulus check my cousin didn’t file last year nor my brother and they somehow got the stimulus why didn’t I
If your cousin and brother did not file a 2020 tax return but received a third stimulus, the payments were based on their 2019 tax returns.
There may be several reasons why you did not receive the third stimulus.
However, if you are eligible but did not receive your third stimulus payment, you can claim it on your 2021 tax return as the Recovery Rebate Credit.
In TurboTax Online, to claim the Recovery Rebate credit please do the following:
Please read this TurboTax Help topic for more information on the third stimulus.