Eff. 12/31/72; AMD, Eff. 2/3/77; AMD, 1985 MAR p. 2023, Eff. 12/27/85; AMD, 1993 MAR p. 3048, Eff. 12/24/93; TRANS from ARM 42.20.141 and AMD, 2003 MAR p. 1888, Eff. 8/29/03; AMD, 2006 MAR p. 3103, Eff. 12/22/06; AMD, 2010 MAR p. 549, Eff. 2/26/10; REP, 2014 MAR p. 2994, Eff. 12/12/14.