(a) This chapter applies to any carrier, including a carrier under contract, who at any time uses a motor vehicle to transport to or from a place of employment in this state at least five migrant agricultural workers for a total distance of more than 50 miles.
(b) This chapter does not apply if:
(1) the carrier is a common carrier;
(2) the motor vehicle used is a station wagon or passenger automobile; or
(3) the carrier is a migrant agricultural worker transporting the worker or a member of the worker’s immediate family.