Utah Code § 77-30-15

If from the examination before the judge or magistrate it appears that the person held is the person charged with having committed the crime alleged, and, except in cases arising under Section 77-30-6, that the accused person has fled from justice, the judge or magistrate must, by a warrant reciting the accusation, commit the accused person to the county jail for such a time not exceeding 30 days and specified in the warrant as will enable the arrest of the accused person to be made under a warrant of the governor on a requisition of the executive authority of the state having jurisdiction of the offense, unless the accused person gives bail as provided in the next section or until the accused person shall be legally discharged.