Amend the CSSB 510 by adding a new section as follows:
      SECTION _____. Subchapter B, Chapter 101, Civil Practice and
Remedies Code, is amended by adding Section 101.0211 to read as
follows:
      Sec.101.0211. NO LIABILITY FOR JOINT ENTERPRISE.  The common
law doctrine of vicarious liability because of participation in a
joint enterprise does not impose liability on a governmental unit
for a claim brought under this chapter.