A complete application for a subdivision of 10 or fewer lots, or for a site plan of 10 acres of land or less or 10 dwelling units or less, shall be acted upon within 45 days of the date of such submission, or 120 days if a variance is required, or within such further time as may be consented to by the developer. A subdivision of more than 10 lots, or a site plan that involves more than 10 acres of land or more than 10 dwelling units, shall be acted upon within 95 days of the date of such submission, or 120 days if a variance is required, or within such further time as may be consented to by the developer. Otherwise, the Planning Board shall be deemed to have granted preliminary subdivision or site plan approval.