(a) All swing seats must be constructed of durable, lightweight, rubber, or plastic material.     
      (b) Edges of all swing seats must be smooth or rounded and have no protrusions.     
      (c) Swings must not be attached to a composite play structure.     
      (d) A full bucket seat swing, intended for children under four years of age to use with adult assistance, may be used provided the distance between the bottom of the unoccupied swing seat is at least 24 inches above the protective surfacing.     
     Source Note:        The provisions of this §744.3151 adopted to be effective September 1, 2010, 35 TexReg 7469; transferred effective March 9, 2018, as published in the Texas Register February 16, 2018, 43 TexReg 909