(a) You must account for all children exiting a vehicle before leaving the vehicle unattended.     
      (b) You must abide by all state laws, including:      
        (1) Never leaving a child unattended in a vehicle;       
        (2) Always using a child safety seat system (an infant safety seat, rear-facing convertible safety seat, forward facing safety seat, booster seat), safety vest, harness, or safety belt, as appropriate to the child's age, height, and weight and according to the manufacturer's instructions, for children as required by law;       
        (3) Always using a safety belt for adults; and       
        (4) Requiring the driver while transporting children to:                  (A) Have proof of automobile liability insurance; and                   (B) Carry a current driver's license.         
     Source Note:        The provisions of this §742.809 adopted to be effective March 10, 2021, 46 TexReg 1247