Amend CSHB 3319 by adding the following appropriately 
numbered SECTION to read as follows and renumbering subsequent 
SECTIONS accordingly:
	SECTION ____. (a) Section 151.318(b), Tax Code, is amended 
to read as follows:
	(b)  The exemption includes:                                                   
		(1)  chemicals, catalysts, and other materials that are 
used during a manufacturing, processing, or fabrication operation 
to produce or induce a chemical or physical change, to remove 
impurities, or to make the product more marketable;
		(2)  semiconductor fabrication cleanrooms and 
equipment;  and               
		(3)  pharmaceutical biotechnology cleanrooms and 
equipment that are installed as part of the construction of a new 
facility [with a value of at least $150 million and] on which 
construction began after July 1, 2003[, and before August 31, 
2004].
	(b)  Notwithstanding any other provision of this Act, this 
section takes effect July 1, 2007, if this Act receives a vote of 
two-thirds of all 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 on that date, this section 
takes effect September 1, 2007.