The chairman and two (2) members shall be appointed for a term of one year; three (3) members shall be appointed for a term of two (2) years and three (3) members for a term of three (3) years. Terms of all members of the commission thereafter appointed shall be three (3) years. All vacancies occurring in the plan commission shall be filled by appointment for the remainder of the unexpired term in the same manner as original appointments. (Ord. 413, 4-10-1957)