(a) A toll project entity may establish a discount program for electronic toll collection customers.
(a-1) A program established under Subsection (a) must include free or discounted use of the entity’s toll project by an electronic toll collection customer whose account relates to a vehicle registered under § 504.202 or 504.315(f) or (g).
(a-2) A toll project entity may limit to no more than two the number of transponders issued to a participant in the entity’s waiver program for which free or discounted use of the entity’s toll project is provided under Subsection (a-1). A toll project entity that adopts a limit under this subsection shall allow a participant to be issued one extra transponder on a demonstration of hardship by the participant, as determined by the entity.
(b) The legislature may appropriate funds from the general revenue fund to a toll project entity to defray the cost of providing free or discounted use of the entity’s toll project under this section.