Amend HB 174 by striking Section 2 of the bill and substituting the following: SECTION 2. This Act applies only to persons serving on active state duty on or after the effective date of this Act without regard to the date on which the person was initially ordered to active state duty. 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, 2003.