As many Americans who waited until the last minute will likely rediscover this weekend, filing federal taxes is a complicated and frustrating task. No matter how much care is taken, mistakes happen—and fairly often.
During the 2021 tax filing season, for example, the IRS "suspended and reviewed 35 million returns with errors," according to a new report from the Government Accountability Office (GAO), which annually reviews the IRS' performance and makes recommendations for improvement.
