Amend SB 633 by adding a new SECTION 3 to the bill to read as follows (Engrossed printing, page 2, between lines 24 and 25) and by renumbering the existing SECTIONS 3 and 4 of the bill accordingly: SECTION 3. The change in law made by this Act applies only to a building described by Section 235.002(a), Local Government Code, as amended by this Act, on which construction begins on or after the effective date of this Act. A building described by Section 235.002(a), Local Government Code, as amended by this Act, on which construction begins before the effective date of this Act is governed by the law in effect immediately before the effective date, and that law is continued in effect for that purpose.