Notwithstanding the provisions of Article I, Chapter 3, prohibitions of off-street parking facilities or accessory off-street loading berths or restrictions as to their location or access, as provided in Sections 81-44 (Curb Cut Restrictions) or 81-84 (Mandatory Regulations and Prohibitions), may be waived only in accordance with the applicable provisions of Sections 81-44 or 81-84.