WASHINGTON, April 12 -- The U.S. Department of the Treasury Internal Revenue Service issued the following news on April 11, 2025: * * * More than $1 billion in 2021 tax refunds still unclaimed - Taxpayers should act now to see if they are eligible WASHINGTON - The Internal Revenue Service today reminded the 1.1 million people who didn't file their tax year 2021 federal tax returns that they may be eligible for a refund if they file by the April 15 deadline. The IRS estimates more than $1 bil  more