The letters, which went out to 3.9 million people, detailed how to sign up for health care coverage.
National Taxpayer Advocate Nina Olson is stepping down on July 31.
Nina Olson's job is to serve as the voice for taxpayers inside the IRS. Here are her top five tax tips.
The "Kiddie Tax" is suddenly something they have to worry about.
And how, or why, might that status be revoked?
“It is, in a way, a map of poverty in this country,” ProPublica reporter Paul Kiel says.
The "free file" program is controversial because it's run by the same private companies that make money on tax preparation.
The Internal Revenue Service is getting creative.
Word of smaller refunds may have had a chilling effect on filing.
Tax Bill 2017
When did taxpayers and industries start to rely on the refund?