You or your spouse has a Utah driver's license. The following topics cover Utah residency and domicile.The menu provides additional topics. A key factor for Utah being one of the largest captive domiciles in the United States is the quality and accessibility of its captive regulatory staff. For businesses operating from a permanent physical residence within the city limits of South Salt Lake. Domicile: Utah has several tests which are used to determine if a person is domiciled in the state. Before you can turn in your Utah residency form, you must live in Utah for 12 or more continuous months. The primary contact will be the person contacted to arrange your city inspections. City inspections must be approved before a business license will be issued.