Form 1120-S is the annual tax return for S corporations. What Is Form 1120-S: U.S. Income Tax Return for an S Corporation? Form 1120-S: U.S. Income Tax Return for an S Corporation is a tax ...
Need more time to file taxes? Fill out IRS extension Form 4868 mapodile / Getty Images Taxpayers unable to file their federal income tax return by the filing deadline can apply for an extension ...