Utah Code Ann. § 41-1a-232
(1) As used in this section:
(c) "Rental fleet" means more than 25 motor vehicles that are:
(2)
(a) Beginning on the date that the division has implemented the division's GenTax system, an owner that registers a motor vehicle under Section 41-1a-215 or 41-1a-215.5 may obtain an alternative special registration card and registration decals for the license plates if the motor vehicle is:
(3)
(a) An owner that receives the alternative special registration card and registration decals for the license plates issued under this section shall: