The city clerk shall appoint an impartial hearing officer for each hearing who may be an employee of the city or a person whose services are acquired by contract with the hearing officer or some public or private agency. The person appointed to conduct the hearing shall not have had within the past twelve (12) months any responsibility for the investigation, prosecution or enforcement of the provisions of this code or other applicable laws at issue in the hearing and shall not have had any personal involvement in the case to be heard. (Ord. 1572, 4-24-2001)