The important deadline comes in for people who haven’t filed their 2021 tax returns. Those filers could be eligible but face an April 15 deadline to file and claim their funds. Filing a tax return is required to claim the stimulus money, even if their income would normally not be enough to require submitting one.

Over one million Americans have still not received their $1,400 stimulus checks from the federal government. It's not too late, here's how to claim

April 15 is Tax Day for 2024 returns, but it's also the three-year deadline to claim any tax refunds or credits for tax year 2021.