Utah Code Ann. § 53-2a-1203
(1) Notwithstanding any other provision, an out-of-state business that conducts operations within the state for purposes of performing work or services related to a declared state disaster or emergency during the disaster period:
(a) is not considered to have established a level of presence that would require that business to be subject to any state licensing or registration requirements, provided that the out-of-state business is in substantial compliance with all applicable regulatory and licensing requirements in its state of domicile, including:
(3)
(a) Income taxation related to an out-of-state employee or an out-of-state business is as provided in:
Enacted by Chapter 376, 2014 General Session