Amend CSHB 7 by adding the following appropriately numbered 
SECTION and renumbering subsequent SECTIONS accordingly:
	SECTION ____.  (a)  Section 152.0215(a), Tax Code, as 
amended by Section 22, H.B. No. 1365, Acts of the 78th Legislature, 
Regular Session, 2003, is amended to read as follows:
	(a)  Except as provided by this subsection, a [A] surcharge 
is imposed on every retail sale, lease, or use of every on-road 
diesel motor vehicle that is over 14,000 pounds and that is sold, 
leased, or used in this state.  The amount of the surcharge is:
		(1)  for a vehicle of a model year 1996 or earlier, 
including a motor home for personal use, [is] 2.5 percent of the 
total consideration; and
		(2)  for a vehicle of a model year 1997 or later, 
excluding a motor home for personal use, one percent of the total 
consideration.
	(b)  This section takes effect on the first day of the first 
month beginning on or after the earliest date on which this Act may 
take effect 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 
effect before December 1, 2003, this section takes effect December 
1, 2003.  The comptroller may adopt emergency rules for the 
implementation of this section.