This section applies to any bill that:proposes to designate a new Preservation District or Conservation District or modify the boundaries of an existing Preservation District or Conservation District; and that has a proposed amendment to add to or remove from a new or existing District any property that was not within the perimeter of the area described in the notice given under <cite data-path="|6|§3-6">§ 3-6 {“Council action - Public notice and hearing”} of this subtitle</cite>. Before an amendment described in subsection (a) of this section may be adopted:another public hearing must be held on the amendment; and the requirements of this subtitle for notice and for agency reports apply to the additional hearing. Ord. 15-408