Class I: The Mayor of the Township.

Class II: One of the officials of the Township other than a member of the Township Council, to be appointed by the Mayor.

Class III: A member of the Township Council to be appointed by it.

Class IV: Six citizens of the Township of Rockaway to be appointed by the Mayor. The members of Class IV shall hold no other municipal office, position or employment, except that one such member may be a member of the Zoning Board of Adjustment, and one such member may be a member of the Board of Education. For the purpose of this qualification, membership on a municipal board or commission whose function is advisory in nature, and the establishment of which is discretionary and not required by statute, shall not be considered the holding of municipal office.

One member of the Environmental Commission shall be a Class IV member, unless there be among the Class IV or alternate members of the Planning Board both a member of the Zoning Board of Adjustment and a member of the Board of Education, in which case the member common to the Planning Board and the Environmental Commission shall be deemed a Class II member.

There shall be two alternate members of the Planning Board appointed by the Mayor. Alternate members shall meet the qualifications of Class IV members of the Planning Board. Alternate members shall be designated at the time of appointment by the Mayor as "Alternate No. 1" and "Alternate No. 2."