Utah Code § 67-5a-5: Quorum -- Meetings.

(1) The attendance of six members at any regular or special meeting of the council constitutes a quorum. Any member may designate in writing a representative to attend any meeting. The representative's attendance shall be counted toward the quorum, and the representative may vote on any issue.

(2) A majority vote of the attending members or their representatives constituting a quorum is sufficient to carry any motion unless the council has by prior vote designated a greater percentage than a majority to sustain an action.

(3)

(a) The council shall meet at least quarterly at a time and place it designates.

(b) The chair, a majority of the members of the council, or the council director may call a special meeting at any time or place upon five days notice to all of the members. A quorum of all members may waive notice requirements in writing.