Section 8-19-13
Defense.
Any person against whom any civil action or proceeding is brought pursuant to this chapter shall have a defense to such action or proceeding upon a showing by a preponderance of the evidence presented that such person did not knowingly commit any act or knowingly engage in any activity which constitutes a violation of any provision of this chapter.
(Acts 1981, No. 81-355, p. 510, §13.)