(a) The department may enter into an agreement with one or more persons to provide, on terms approved by the department, personnel, equipment, systems, facilities, and services necessary to operate a toll project or system, including the operation of toll plazas and lanes and customer service centers and the collection of tolls.(b) A person that enters into an agreement with the department to provide services for a customer to pay an amount on an electronic toll collection customer account at a location other than a department office may collect from the customer a service charge in addition to the amount paid on the account.(c) The commission by rule shall set the maximum amount a person may collect as a service charge under Subsection (b), which may not exceed $3 for a payment transaction. Added by Acts 2005, 79th Leg., Ch. 281 (H.B. 2702), Sec. 2.40, eff. June 14, 2005.Amended by: Acts 2015, 84th Leg., R.S., Ch. 634 (S.B. 1467), Sec. 1, eff. September 1, 2015.