Issued shares are shares that have been subscribed and paid for. File an annual report for a Corporation, Not-for-Profit, or Limited Liability Company online.Incorporate a business or terminate an LLC. Authorized Shares: Must include issued shares and consideration received. This guide will help you file formation documents, get tax identification numbers, and set up your company records. Who must file Form IL-1120-ST? You must file Form IL-1120-ST if you are a small business corporation ("S corporation"), as defined in Internal Revenue Code. Every state demands that you supply three basic facts about your business: its corporate name, its registered agent and the number of authorized shares.