Sec. 4. (a) Except as provided in subsection (b), a unit may regulate the services offered by persons who hold out for public hire the use of vehicles. This includes the power to fix the price to be charged for that service.
(b) A unit may not regulate the following:
(1) A transportation network company (as defined in IC 8-2.1-17-18).
(2) A TNC driver (as defined in IC 8-2.1-17-19).