The town clerk shall be the custodian of the zoning ordinance and zoning map or maps created thereunder.

(1)

The planning division shall be responsible for the maintenance and update of the text and zoning map comprising the zoning ordinance. Changes which impact the zoning map shall be depicted on the map within 90 days of the authorized change(s); and

(2)

The planning division shall be responsible for review of the zoning ordinance at reasonable intervals; and whenever changes are made to the comprehensive plan of the town, for the identification of any changes necessary and for the forwarding of these changes to the town council.