Corporate income tax filers use form TC-20. This kit includes detailed steps to walk you through all three steps of forming an S corporation, and examples of what the completed forms should look like.Forming a corporation in Utah is easy. It's a great way to structure your business and protect your personal assets. Utah articles of incorporation are filed to create a corporation. This guide provides instructions and tips when preparing and filing this legal document. This entails adhering to your corporation's bylaws and articles of organization, having a registered agent in Utah, and maintaining proper corporate documents. What corporate formalities are required annually? Annual Return and Franchise Taxes All Utah corporations must file an annual franchise tax return (Form TC-20).