Source. 1970, 5:1; 57:2, 5. 1973, 544:9, 11. 1975, 439:34, VIII. 1977, 118:1. 1979, 446:5. 1981, 128:18, 19; 445:12. 1991, 163:22, 43, XIV. 1996, 154:5, eff. July 1, 1996.