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        |  | A BILL TO BE ENTITLED | 
      
        |  | AN ACT | 
      
        |  | relating to a defense to prosecution for the offense of failing to | 
      
        |  | secure a child in a child passenger safety seat system. | 
      
        |  | BE IT ENACTED BY THE LEGISLATURE OF THE STATE OF TEXAS: | 
      
        |  | SECTION 1.  Section 545.4121, Transportation Code, is | 
      
        |  | repealed. | 
      
        |  | SECTION 2.  The change in law made by this Act applies only | 
      
        |  | to an offense committed on or after the effective date of this Act. | 
      
        |  | An offense committed before the effective date of this Act is | 
      
        |  | governed by the law in effect on the date the offense was committed, | 
      
        |  | and the former law is continued in effect for that purpose.  For | 
      
        |  | purposes of this section, an offense was committed before the | 
      
        |  | effective date of this Act if any element of the offense occurred | 
      
        |  | before that date. | 
      
        |  | SECTION 3.  This Act takes effect immediately if it receives | 
      
        |  | a vote of two-thirds of all the members elected to each house, as | 
      
        |  | provided by Section 39, Article III, Texas Constitution.  If this | 
      
        |  | Act does not receive the vote necessary for immediate effect, this | 
      
        |  | Act takes effect September 1, 2013. |