Notice of the public hearing shall be given by publication once in a newspaper of general circulation published and circulated in the City of Berkeley, and by posting one notice thereof on or adjacent to the property shown on the map not less than ten days prior to the date of the hearing, and a written notice of the hearing shall be mailed not less than ten days prior to the date of the hearing to the subdivider, to each property owner owning property abutting upon or confronting the property shown on the map, and to the occupants of such properties. If, in the sound discretion of the secretary of the Planning Commission, a proposed subdivision has special neighborhood or community significance, they may expand such written notice. Notice to occupants shall be sufficient if such written notice is addressed to "Occupant" or "Resident", at the street address of the property. (Ord. 5793-NS § 2 (part), 1987)