The chief of police shall be appointed by the mayor on the basis of his/her qualifications, experience and the eligibility requirements of RCW 35.21.333 and 35.21.335, as the same now exists or may hereafter be amended. Before making any appointment for a chief of police, a background investigation shall be performed, as required by RCW 35.21.334. (Ord. 713 § 1, 1996).