(a) The commissioners court of a county by order may regulate the parking of vehicles on property owned or leased by the county.
(b) The commissioners court may adopt rules under this section to:
(1) limit the use of parking spaces to certain vehicles or types of vehicles;
(2) limit the time that a vehicle may be parked in a specific space or area; or
(3) prohibit the parking of vehicles in certain areas.

(c) If a county restricts or prohibits parking in a place, it shall erect an appropriately worded sign at the place to inform a driver of a vehicle of the restriction or prohibition. The county is not required to erect a sign to indicate that parking is prohibited on a lawn or other area that does not appear to be a place intended for use as a parking area.
(d) A county may provide for towing and storing a vehicle at the owner’s expense if it is parked in violation of a rule adopted under this section. The county may not provide for towing a vehicle that is parked under circumstances that create a defense to prosecution under Subsection (e).
(e) A person commits an offense if the person parks a vehicle in violation of a rule adopted under this section. An offense under this section is a Class C misdemeanor. It is a defense to prosecution under this section that the place where the person parked is an area in which a sign is required under Subsection (c) and that there was no sign in place at the time the person parked.