A listing of Limited Liability Company forms and publications. Form Number, Form Name, Fee, Expedited Fee in addition to fee.Download a free Illinois LLC Operating Agreement template (Word, Google Doc, PDF). List LLC Members, profit splits, tax info and more. A Foreign Limited Liability Company must complete LLC 45.5, Application for Admission to Transact Business. To amend a foreign LLC in Illinois, you'll need to fill out and file an Amended Application for Admission form with the Illinois SOS. LLC Operating Agreement for download. List LLC Members, how profits are split, how LLC is taxed. Setting up an LLC in Illinois? Our guide covers the steps and what you need to know to operate an LLC in the state.