Sec. 1. As used in this chapter, "dies in the line of duty" refers to a death that occurs as a direct result of personal injury or illness resulting from any action that:
(1) a motor carrier inspector; or
(2) a special police employee of the department who is not a regular police employee of the department;
is obligated or authorized by rule, regulation, condition of employment or service, or law to perform in the course of the inspector's or special police employee's regular duties.