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 ...

Each year, S corporations must file Form 1120-S to report income, gains, losses, deductions, and credits to the IRS. They also have to provide each shareholder with a Schedule K-1, detailing each ...

Businesses that need extra time to file their tax returns can request an automatic extension using IRS Form 7004, Application ...