Form 1120S, U.S. Income Tax Return for an S Corporation is a tax form used to report the income, losses, and dividends of S corporation shareholders. In short, Form 1120S is an S corporation or small business corporation tax return. Corporations are not allowed to file this form unless they have filed or are attaching Form 2553 to be elected as an S corporation.
The latest fillable version of the form can be downloaded below.
The following information is necessary to complete Form 1120S:
If the corporation's principal business, office, or agency is located in Connecticut, Delaware, District of Columbia, Florida, Indiana, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, Vermont, Virginia, West Virginia and their total assets at the end of the tax year are less than $10 million, they must report to the IRS center in Cincinnati, OH 45999-0013.
The IRS center for corporations, whose principal business is located in Georgia, Illinois, Kentucky, Michigan, Tennessee, Wisconsin and whose total yearly assets are less than $10 million is located in Kansas City, MO 64999-0013.
An S corporation with principal business, office, or agency located in any other state, a foreign country or if the total assets at the end of the tax year exceed $10 million reports to the IRS center located in Ogden, UT 84201-0013.
In most cases, S corporations must file Form 1120S by the 15th day of the 3rd month after the end of their tax year. For calendar year corporations, the due date for Form 1120S is March 15. Dissolved corporations must file by the 15th day of the 3rd month after the date of dissolution.
If the due date is on a Saturday, Sunday, or legal holiday, S corporations must file on the next day that is not a Saturday, Sunday, or legal holiday.
Corporations may File Form 7004, Application for Automatic Extension of Time To File Certain Business Income Tax, Information, and Other Returns, to request a 6-month extension of time to file. Form 7004 must be filed by the regular due date of the return, that being March 15. The address for filing Form 7004 has changed for some entities located in Georgia, Illinois, Kentucky, Michigan, Tennessee, and Wisconsin and is now located at the Internal Revenue Service Center in Kansas City, MO 64999-0019.