There is hereby established the City of Millville Planning Board which shall consist of nine regular members and two alternate members. The regular members shall be appointed as follows from the following four classes:
A.
Class I: the Mayor, whose term on the Planning Board shall correspond to his official tenure in office.
B.
Class II: one of the officials of the City other than a member of the governing body to be appointed by the Mayor subject to the limitations contained in N.J.S.A. 40:55D-23. The term of the member composing Class II shall be for one year or terminate at the completion of his or her respective term of office, whichever occurs first.
C.
Class III: one member of the governing body of the City to be appointed by it. The term of the member composing Class III shall be for one year or terminate at the completion of his or her respective term of office, whichever occurs first.
D.
Class IV: six other citizens of the City to be appointed by the Mayor. The members of Class IV shall hold no other City office, position or employment, except that one member may be a member of the Zoning Board of Adjustment and one member may be a member of the Board of Education. There are two other municipal positions on commissions referred to in N.J.S.A. 40:55D-23. The term of a Class IV member who is also a member of the Zoning Board of Adjustment or Board of Education shall terminate whenever he or she is no longer a member of such other body or at the completion of his or her Class IV term, whichever occurs first. The terms of Class IV members cannot exceed 4 years and shall be staggered so that the Class IV terms shall be distributed evenly in accordance with the provisions of N.J.S.A. 40:55D-23.
E.
A vacancy occurring otherwise than by expiration of term shall be filled for the unexpired term only.