As the April 15 filing deadline looms, the Internal Revenue Service reminds taxpayers that after three years, any unclaimed 2021 tax year refunds go to the U.S. Treasury.

The Internal Revenue Service is warning millions of Americans they might miss out on $1 billion in refunds if they don't act fast. Roughly 1.1 million Americans still have unclaimed tax refunds for 2021 that will disappear after April 15.

Alabamians who haven’t claimed their tax returns from 2021 will lose them if they don’t act before tax time this year. An estimated 18,100 Alabamians who did not file their form 1040 federal tax return for 2021 have a little more than a month to file before the refunds expire at the three-year mark.

The IRS says an estimated $1 billion in tax refunds from the 2021 tax year will soon become property of the U.S. Treasury if 1.1 million taxpayers don’t claim their money soon, The Hill reports. In Michigan,

The IRS has announced that over $1 billion in tax refunds from the 2021 fiscal year remain unclaimed. With a deadline looming in 2025, eligible taxpayers still have a chance to claim their refunds. Discover who stands to gain the most and why some missed out on their refunds.