In case of apartment houses, townhouses, condominiums or other multifamily dwellings, the owner, manager or condominium association, whichever shall apply, of said multifamily units shall ensure that a special place is designated for the storage of recyclable materials as designated by the municipality's recycling regulations. All owners, lessees or occupants of these dwelling units shall be required to separate recyclable items in the manner required by the municipality's recycling regulations and place them in the designated place. The owner, manager or condominium association, whichever shall apply, of the multifamily units shall notify the Municipal Highway Department and the municipality's designated agent of the location of the storage area. The location and setup of the designated area is to be subject to the site plan approval of the municipality's Planning Board. With respect to existing construction, the location and setup of the designated area shall first be approved by the appropriate town officials.