Utah Code Ann. § 49-21-402
(1) A monthly disability benefit may be terminated unless:
(2) The monthly disability benefit shall be reduced or reimbursed by any amount received by, or payable to, the eligible employee from the following sources for the same period of time during which the eligible employee is entitled to receive a monthly disability benefit:
(3) The monthly disability benefit shall be reduced by any amount in excess of one-third of the eligible employee's regular monthly salary received by, or payable to, the eligible employee from the following sources for the same period of time during which the eligible employee is entitled to receive a monthly disability benefit:
(6)