Sec. 304.011.  QUORUM;  VOTES.  In the event of an attack, the quorum requirements imposed on the legislature are suspended.  If the affirmative vote of a specified proportion of members is required to approve a bill or resolution, the same proportion of those present and voting on the bill or resolution is sufficient for its passage.
Acts 1985, 69th Leg., ch. 479, Sec. 1, eff. Sept. 1, 1985.