Any full-time employee of the city who fails to become or remain a resident
within the geographic area defined in section 2-42, as required by this
division shall be given a written notice of termination of employment as
soon as practicable by the city manager. Failure to comply with this
division within 60 days of the date of this notice shall result in immediate
termination of employment by the city. Failure of the city manager to
provide notice shall not, under any circumstances, constitute a waiver of
the residency requirement.