If no directors have been elected, the incorporators may adopt initial by-laws. Required number of directors.Utah corporations must have at least three directors listed in their incorporation documents. A board of directors is a requirement when forming and maintaining a C Corp. Submit a copy of the amended Bylaws along with signatures of at least two members of the board to the IRS. You need to have a board of directors, but it doesn't have to be large. In fact, you can be the only member of your board when you're starting out. Please fill out this field. According to legislation in Utah, you must appoint at least three individuals to the board of directors. The Board must monitor management and approve out-of-the-ordinary corporate actions.