(Sec. 21 of Ord. 1980-12-04; amended by Sec. 13 of Ord. 1982-09-40; amended by Sec. 1 of Ord. 1994-04-16; amended by Sec. 1 of Ord. 1996-06-28; repealed by Sec. 1 of Ord. 1999-05-20)