REFUND OR CREDIT FOR CERTAIN TAXES PAID.

(a) A license holder may take a credit on a return for the period in which the purchase occurred, and a person who does not hold a license under this subchapter may file a refund claim with the comptroller if the license holder or person paid tax on compressed natural gas or liquefied natural gas and the license holder or person:

(1) is the United States government and the fuel was delivered into the fuel supply tank of a motor vehicle operated exclusively by the United States, provided that a credit or refund is not allowed for fuel delivered into the fuel supply tank of a motor vehicle operated by a person operating under a contract with the United States;

(2) is a public school district in this state and the fuel was delivered into the fuel supply tank of a motor vehicle operated exclusively by the district;

(3) is a commercial transportation company that provides public school transportation services to a school district under Section 34.008, Education Code, and the fuel was delivered into the fuel supply tank of a motor vehicle used to provide those services;

(4) is a volunteer fire department in this state and the fuel was delivered into the fuel supply tank of a motor vehicle operated exclusively by the department;

(5) is a municipality or county in this state and the fuel was delivered into the fuel supply tank of a motor vehicle operated exclusively by the municipality or county;

(6) is a nonprofit electric cooperative corporation organized under Chapter 161, Utilities Code, and the fuel was delivered into the fuel supply tank of a motor vehicle operated exclusively by the electric cooperative;

(7) is a nonprofit telephone cooperative corporation organized under Chapter 162, Utilities Code, and the fuel was delivered into the fuel supply tank of a motor vehicle operated exclusively by the telephone cooperative;

(8) uses the fuel in off-highway equipment, in a stationary engine, in a motorboat, in an aircraft, in equipment used solely for servicing aircraft and used exclusively off-highway, in a locomotive, or for other nonhighway purposes and not in a motor vehicle operated or intended to be operated on the public highways;

(9) uses the fuel in a motor vehicle that is operated exclusively off-highway, except for incidental travel on the public highways as determined by the comptroller, provided that a credit or refund may not be allowed for the portion used in the incidental highway travel; or

(10) is a nonprofit entity that is organized for the sole purpose of and engages exclusively in providing emergency medical services and the fuel was delivered into the fuel supply tank of a motor vehicle operated exclusively by the nonprofit entity to provide emergency medical services, including rescue and ambulance services.

(b) A licensed interstate trucker may take a credit on a return for the period in which the purchase occurred if the licensed interstate trucker paid tax on compressed natural gas or liquefied natural gas and uses the fuel outside this state in commercial vehicles operated under an interstate trucker license, provided that a credit taken under this subsection must be taken within the limitation period provided by Section 162.369.

(c) A transit company that paid tax on the purchase of compressed natural gas or liquefied natural gas may apply to the comptroller for and obtain a refund in an amount equal to one cent per gasoline gallon equivalent of compressed natural gas or diesel gallon equivalent of liquefied natural gas used in transit vehicles.

(d) The right to receive a refund or take a credit under this section is not assignable.

(e) The comptroller may adopt rules specifying procedures and requirements that must be followed to take a credit or receive a refund under this section.