Amend HB 183 by adding the following appropriately numbered SECTION
  to the bill and renumbering subsequent SECTIONS accordingly:
SECTIONi____.iiSubchapter I, Chapter 545, Transportation Code, is
  amended by adding Section 545.4121 to read as follows:
Sec.i545.4121.iiDEFENSE; POSSESSION OF CHILD PASSENGER
  SAFETY SEAT SYSTEM. (a)  This section applies to an offense committed
  under Section 545.412 before September 1, 2006, that would not have been an
  offense under that section as the section existed immediately before September 1,
  2005.
(b)iiIt is a defense to prosecution of an offense to which this section applies
  that the defendant provides to the court evidence satisfactory to the court that the
  defendant possesses an appropriate child passenger safety seat system for each
  child:
(1)iiwho is regularly transported by the defendant in a passenger
  vehicle; and
(2)iiwho is eight years of age or younger or who is less than 57 inches in
  height.
(c)iiThis section expires September 1, 2007.