(a) In this section:(1) 'Hands-free device' has the meaning assigned by Section 545.425.(2) 'Wireless communication device' has the meaning assigned by Section 545.425.(b) Except as provided by Section 545.425(c), an operator may not use a wireless communication device while operating a motor vehicle on the property of a public elementary, middle, junior high, or high school for which a local authority has designated a school crossing zone, during the time a reduced speed limit is in effect for the school crossing zone, unless:(1) the vehicle is stopped; or(2) the wireless communication device is used with a hands-free device.(c) It is an affirmative defense to prosecution of an offense under this section that the wireless communication device was used to make an emergency call to:(1) an emergency response service, including a rescue, emergency medical, or hazardous material response service;(2) a hospital;(3) a fire department;(4) a health clinic;(5) a medical doctor's office;(6) an individual to administer first aid treatment; or(7) a police department.(d) This section does not apply to:(1) an

spital;(3) a fire department;(4) a health clinic;(5) a medical doctor's office;(6) an individual to administer first aid treatment; or(7) a police department.(d) This section does not apply to:(1) an operator of an authorized emergency vehicle using a wireless communication device while acting in an official capacity; or(2) an operator who is licensed by the Federal Communications Commission while operating a radio frequency device other than a wireless communication device.(e) This section preempts all local ordinances, rules, or regulations that are inconsistent with specific provisions of this section adopted by a political subdivision of this state relating to the use of a wireless communication device by the operator of a motor vehicle, except that a political subdivision may by ordinance or rule prohibit the use of a wireless communication device while operating a motor vehicle throughout the jurisdiction of the political subdivision. Added by Acts 2013, 83rd Leg., R.S., Ch. 240 (H.B. 347), Sec. 2, eff. September 1, 2013.