(As amended Mar. 30, 1970, eff. July 1, 1970; Mar. 10, 1986, eff. July 1, 1986; Apr. 29, 1994, eff. Dec. 1, 1994; Apr. 24, 1998, eff. Dec. 1, 1998; Apr. 29, 2002, eff. Dec. 1, 2002; Mar. 26, 2009, eff. Dec. 1, 2009; Apr. 26, 2018, eff. Dec. 1, 2018.)