CNBC Select explains how individuals who didn't file a federal tax return in 2021 may still be eligible for the Recovery Rebate Credit

Some taxpayers in Mississippi might get a $1,400 stimulus check soon, but it depends on 2021 tax returns. Here's what we know about how to qualify.

While most U.S. taxpayers already received COVID-era stimulus checks, some may still be eligible to receive as much as $1,400 in unpaid benefits if they act in time. The Recovery Rebate Credit is available for anyone who did not receive a stimulus check issued to residents during in 2021,