@dmertz wrote:
You also have the option of contributing another $2,400 to your IRA by April 18, 2022 to make your filed 2021 tax return correct.
Good point. Just make sure to indicate this is a 2021 contribution; there is probably a menu selection if you do the contribution online, or a form you must include if you mail a check. If you don't make the selection and it goes in as a 2022 contribution, you're still stuck.
