Define Fillable Fields In Legal Illinois Startup For S-Corporation Forms For Free

There is an automatic seven month extension of time to file the return. If the corporation is a cooperative, Form IL-1120 is due on the 15th day of the 9th month following the close of the tax year regardless of when the tax year ends. There is an automatic seven month extension of time to file the return.

To form an Illinois S corp, you'll need to ensure your company has an Illinois formal business structure (LLC or corporation), and then you can elect S corp tax designation. If you've already formed an LLC or corporation, file Form 2553 with the Internal Revenue Service (IRS) to designate S corp taxation status.

An S-Corporation's owner's salary is the only corporate income that is subject to the employment tax. Conversely, in the case of an LLC, the entire amount realized in the business (profits before subtraction of salary) is subject to the employment tax.

Subchapter S corporations and partnerships pay replacement tax of 1.5 percent (. 015). S corporations and partnerships do not pay Illinois Income Tax. Generally, income from an S corporation or partnership is passed on to the shareholders or partners.

To start a corporation in Illinois, you'll need to do three things: appoint a registered agent, choose a name for your business, and file Articles of Incorporation with the Department of Business Services. You can file this document online or by mail. The articles cost a minimum of $175 to file.

Any small business corporation that is defined as such by the IRC section 1361 and has a net income or loss that falls under the definition of the Illinois Income Tax Act (IITA) will have to file a Small Business Corporation Tax Return of Form IL-1120-ST.