"Opponents of the law, such as Senator Royce West of Dallas, vowed a court challenge.On March 8, 2017, Zaffirini was the only dissenter in an eight-to-one vote of the Senate State Affairs Committee of the bathroom bill, Senate Bill 6, introduced by her Republican colleague, Lois Kolkhorst of Brenham and strongly pushed by Lieutenant Governor Dan Patrick, the Republican presiding officer of the Senate.