I was supposed to get back 2400 on fed and only received 1000. This is happening to thousands of people. I have no tax leans or anything how do I get what’s owed to me ?

If your refund is short $1,400 then the IRS has records that show you were sent the 3rd stimulus payment so they removed the $1,400 Recovery Rebate Credit.

If you checked your bank account in the March - May 2021 timeframe and there is not a $1,400 EIP3 payment from the IRS then go to this IRS website for how to start a trace on the payment - https://www.irs.gov/newsroom/questions-and-answers-about-the-third-economic-impact-payment-topic-j-p...

$1,400 is the amount of the 3rd Stimulus payment.  Did you already get the Stimulus payment they sent out last year starting March 2021?  Do you have 1,400 on 1040 line 30?  You might have tried to claim it again.   Line 30 is only if you didn't get the full amount or qualify for more. 

Did you get IRS letter 6475 saying what they sent you?  If you didn't get the IRS letter 6475 saying what they sent you then check your bank statements and check your IRS account to see when and what they sent you.

Your Online Account | Internal Revenue Service

Request a trace for a missing third Stimulus payment

https://www.irs.gov/newsroom/questions-and-answers-about-the-third-economic-impact-payment-topic-j-payment-issued-but-lost-stolen-destroyed-or-not-receivedYour Online Account | Internal Revenue Service

gomezatyler,

The difference of $1400 very strongly suggests your return had claimed a missing third economic impact payment when, in fact, you had already received that money back sometime last Spring.  You can look at your 2021 federal return to see if, indeed, that $1400 was added in as a Recovery Rebate Credit and then check your bank records to see if, indeed, you did receive it.  If after all that you cannot find any evidence of having gotten the $1400 advance payment, follow the instructions at

https://www.irs.gov/newsroom/questions-and-answers-about-the-third-economic-impact-payment-topic-j-payment-issued-but-lost-stolen-destroyed-or-not-received

to have the IRS look into it.