(a) the shareholders may fill the vacancy;. (b) the board of directors may fill the vacancy; or.Required number of directors. Utah corporations must have at least three directors listed in their incorporation documents. You should list the company's initial shareholders here and include their complete names and addresses. Utah Corporate Bylaws create the policies and procedures for your corporation. Our free, attorney-drafted templates can get you started. Utah articles of incorporation are filed to create a corporation. This guide provides instructions and tips when preparing and filing this legal document. Utah corporation formation requirements from BizFilings.