Original rule filed August 27, 1979; effective October 10, 1979. Amendment filed November 8, 1990; effective December 23, 1990. Amendment filed October 14, 1994; effective February 28, 1995. Amendments filed April 25, 2005; effective July 9, 2005. Repeal filed October 27, 2014; effective 1/25/2015.