Did you file Joint in 2020? Maybe you got a single 2800 payment for both of you. Did you each get a IRS letter 6475 for 1400? Double check your bank statements and Check your IRS account to see when and what they sent you (check both spouse's accounts if married)
Your Online Account | Internal Revenue Service
1040 Line 30 (Recovery Rebate Credit)is only if you didn't get the 3rd Stimulus payment or qualify for more.
