In an action for declaratory judgment on the validity or applicability of a rule adopted by the board under this chapter, citation shall be served on the state fire marshal.

Acts 1989, 71st Leg., ch. 678, Sec. 1, eff. Sept. 1, 1989.

Amended by Acts 1991, 72nd Leg., ch. 14, Sec. 226, eff. Sept. 1, 1991.