(1) Where in spite of the assistance provided under section 85, a District Assembly is unable to prepare or cause to be prepared a zoning scheme for the district within the time frame required by this Act or set by the Authority, the Authority may request the assistance of the Regional Coordinating Council in the preparation of the zoning scheme.

(2) Where the Regional Coordinating Council prepares a zoning scheme on behalf of a District Assembly, the Regional Coordinating Council shall submit the scheme to the public for comment in accordance with this Act.