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.

More than 1.1 million Americans are owed a share of over $1 billion in unclaimed tax refunds, but time is running out to collect, the Internal Revenue Service (IRS) has announced. Taxpayers have until Tuesday,

Taxpayers eligible for the Earned Income Tax Credit for 2021 may also claim those funds if they file their returns for the year. Qualifying incomes are $21,430 for a single person without children or up to $57,414 for a married couple filing jointly with three or more qualifying children.

The IRS is warning the public that $1 billion in unclaimed 2021 tax refunds remain because about 1 million taxpayers haven't filed tax returns for that tax year as an April 15 deadline looms.

The IRS estimates that more than 1.1 million taxpayers might have qualified for a refund in 2021 but did not file a federal income tax return to claim it.

The median potential refund nationwide is $781 for 2021. Florida, with 69,800 individuals who did not file, is just below the median potential refund at $721. New Yorkers — 73,000 of them — left the most money in the IRS till: $995.

The IRS is currently sitting on about $92.3 million, ready to be dispersed among 116,300 state taxpayers who have yet to file their 2021 taxes.

The IRS has issued more than 29.6 million individual income tax refunds through Feb. 21, up 2.3% from a year ago.

If you've already filed your tax return, it's natural to wonder when you'll receive your refund. One of the most common questions is the exact time the IRS makes deposits.