Download a free Illinois LLC Operating Agreement template (Word, Google Doc, PDF). List LLC Members, profit splits, tax info and more.The operating agreement provides for the establishment of one or more series. A Illinois Operating Agreement creates the policies and procedures for your LLC. Our free, attorney-drafted templates can get you started. This article will outline the procedure for obtaining S corp status in Illinois and identify the businesses that are eligible for this election. An Operating Agreement in Illinois outlines the ownership and operating procedures of your LLC. An Illinois LLC operating agreement is a binding document that establishes a company's ownership, operations, and officers. This free LLC operating agreement was designed as a general template that can work in any state. (We also offer state-specific operating agreements below.)