(12) "Emergency medical services vehicle" means:
(A) a basic life-support emergency medical services vehicle;
(B) an advanced life-support emergency medical services vehicle;
(C) a mobile intensive-care unit; or
(D) a specialized emergency medical services vehicle.
(13) "Emergency medical services volunteer" means emergency medical services personnel who provide emergency prehospital care without remuneration, except reimbursement for expenses.
(14) "Emergency medical services volunteer provider" means an emergency medical services provider that has at least 75 percent of its total personnel as volunteers and is recognized as a Section 501(c)(3) nonprofit corporation by the Internal Revenue Service.
(15) "Emergency prehospital care" means care provided to the sick or injured before or during transportation to a medical facility, and includes any necessary stabilization of the sick or injured in connection with that transportation.
(15-a) "Executive commissioner" means the executive commissioner of the Health and Human Services Commission.
(16) "First responder organization" means a group or association of certified emergency medical services personnel that, working in cooperation with a licensed emergency medical services provider, provides immediate on-scene care to ill or injured persons but does not transport those persons.
(17) "Governmental entity" means a county, municipality, school district, or special district or authority created in accordance with the Texas Constitution.
(18) "Medical supervision" means direction given to emergency medical services personnel by a licensed physician under Subtitle B, Title 3, Occupations Code, and the rules adopted under that subtitle by the Texas Medical Board.