Utah Code § 10-3-928

In cities with a city attorney, the city attorney: (1) may prosecute violations of city ordinances; (2) may prosecute, under state law, infractions and misdemeanors occurring within the boundaries of the municipality; (3) has the same powers in respect to violations as are exercised by a county attorney or district attorney, except that a city attorney's authority to grant immunity shall be limited to: (a) granting transactional immunity for violations of city ordinances; and (b) granting transactional immunity under state law for infractions and misdemeanors occurring within the boundaries of the municipality; (4) shall represent the interests of the state or the municipality in the appeal of any matter prosecuted in any trial court by the city attorney; (5) may cooperate with the Office of the Attorney General during investigations; (6) may designate a city attorney from another municipality or a public prosecutor to prosecute a matter, in the court having jurisdiction over the matter, if the city attorney has a conflict of interest regarding the matter being prosecuted; (7) may employ a deputy attorney to perform the duties of public prosecutor or civil counsel; and (8) may specially deputize, for a limited time or limited purpose, an attorney licensed to practice law in the state and in good standing with the Utah State Bar as a deputy to assist in any public prosecutor or civil counsel duties specified in the special deputization.