Utah constitution
Article VI: legislative department
Section 18

(1) All impeachments shall be tried by the Senate, and senators, when sitting for that purpose, shall take oath or make affirmation to do justice according to the law and the evidence.
(2) Upon an impeachment by the House of Representatives, the Senate shall, if not already convened in an annual general session, convene for the purpose of trying the impeachment.
(3) When the Governor is on trial, the Chief Justice of the Supreme Court shall preside.
(4) No person shall be convicted without the concurrence of two-thirds of the senators elected.