Download a free Illinois LLC Operating Agreement template (Word, Google Doc, PDF). List LLC Members, profit splits, tax info and more.This template provides a free Illinois LLC Operating Agreement, which outlines the legal framework for internal operations, including voting, transfers of membership interest, and profit distribution. This document outlines the ownership, operations, and officers of an Illinois LLC, including bylaws that oversee day-to-day operations. The Illinois Operating Agreement (Form LLC-5.5(S)) establishes one or more series of LLCs and must be filed with the Secretary of State prior to filing Form LLC-37.40. Download an Illinois LLC Operating Agreement Template from Legal GPS. An Illinois LLC Operating Agreement is a legal document for LLC members to document how an LLC in Illinois will be run. Make yours for free and save, print. In this video we'll cover a quick overview of llc's and operating agreements laws specific to the state of illinois. This free LLC operating agreement was designed as a general template that can work in any state.