(a) An occupation that involves the operation of a motor vehicle by a child for a commercial purpose is not a hazardous occupation under this chapter if the child:
(1) has a driver’s license under Chapter 521, Transportation Code;
(2) is not required to obtain a commercial driver’s license under Chapter 522, Transportation Code, to perform the duties of the occupation;
(3) performs the duties of the occupation:
(A) under the direct supervision of the child’s parent or an adult having custody of the child; and
(B) for a business owned or operated by the child’s parent or guardian; and
(4) operates a vehicle that has no more than two axles and does not exceed a gross vehicle weight rating of 15,000 pounds.
(b) The commission shall adopt rules consistent with this section.