Utah Code § 31A-8-301
Requirements for doing business in state.
(1) Only a corporation incorporated and licensed under Part 2, Domestic Organizations, may do business in this state as an organization. (2) (a) To do business in this state as an organization, a foreign corporation doing a similar business in other states shall incorporate a subsidiary and license the subsidiary under Part 2, Domestic Organizations, for the foreign organization's Utah business. (b) Except as provided in Chapter 16, Insurance Holding Companies, the laws applicable to a domestic organization apply only to the domestic organization and not to the domestic organization's foreign parent corporation. (3) A foreign ambulance membership organization with a limited health plan certificate of authority that complies with Part 2, Domestic Organizations, is exempt from this part.