Here are the laws and the filings:
http://www.supreme.courts.state.tx.us/ebriefs/08/08039101.pdf
http://www.supreme.courts.state.tx.us/ebriefs/08/08039102.pdf
http://www.supreme.courts.state.tx.us/ebriefs/08/08039103.pdf
http://www.dfps.state.tx.us/About/News/2008/2008-04-28_chronology.asp
http://tlo2.tlc.state.tx.us/statutes/docs/FA/content/htm/fa.005.00.000261.00.htm
Thanks you!