Utah Code Ann. § 63G-7-202
(1)
(3)
(c) A plaintiff may not bring or pursue any civil action or proceeding based upon the same subject matter against the employee or the estate of the employee whose act or omission gave rise to the claim, unless:
(ii) the injury or damage resulted from the employee driving a vehicle, or being in actual physical control of a vehicle:
(iii) injury or damage resulted from the employee being physically or mentally impaired so as to be unable to reasonably perform the employee's job function because of:
(v) the employee intentionally or knowingly:
(B) except as provided in Subsection (3)(d), with a conscious disregard for the rights of others, failed to disclose evidence that:
(II)
(4) Except as permitted in Subsection (3)(c), no employee may be joined or held personally liable for acts or omissions occurring: