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.

With staffing cuts at the IRS, many taxpayers are concerned about delays in receiving their refunds. Here are some things you can do to avoid a delay.

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.