The Town Manager shall appoint with the approval of the selectmen: Town Clerk, Town Treasurer, Assistant Town Clerk, constables, Grand Juror, Director of Public Works, Police Chief, a Town Agent if the Town Attorney is not a resident of the Town of Essex, cemetery commissioners, Health Officer, fire wardens, Zoning Administrator, and if needed, the Town Manager may appoint fence viewers, Inspector of Lumber and Shingles, and any other officer which the selectmen of a Town are authorized to appoint if the selectmen have not filled the office. The terms of the appointed officials shall commence on the first day of April following appointment. Appointments to fill a vacancy in an office shall be effective at the time of appointment and shall run for the unexpired period of the term. (Amended 1999, No. M-1, eff. Jan. 1, 1999.)