I saw this earlier today on CNBC – https://www.cnbc.com/2021/03/13/no-1400-stimulus-check-yet-heres-what-you-can-do-.html. Much longer article that includes why if your 2020 tax return income is less than your 2019 tax income, you should go ahead and file it first. Same if you have children that were born last year as the IRS won’t know you have children born last year.
Lorie Konish@LORIEKONISH March 13, 2021
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Head to the ‘Get My Payment’ site
Starting Monday, the IRS Get My Payment website will show the status of the third payments.
That site will be updated regularly as payments are processed.
Unfortunately, it is not equipped to let you submit new or different bank account information.
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https://www.cnbc.com/2021/03/13/no-1400-stimulus-check-yet-heres-what-you-can-do-.html