(1) Except where the Authority through the Regional Coordinating Council grants an extension, each District Assembly shall,

(a) within thirty days after approval of the District Spatial Development Framework,

(i) give notice of the approval to the public by publication in a newspaper of national circulation, and

(ii) commence the preparation of a structure plan for its area of jurisdiction, and

(b) Complete the structure plan not later than eighteen months after the approval of the District Spatial Development Framework or within an extension granted by the Authority in accordance with Regulations and guidelines.

(2) A structure plan shall be prepared for the areas prescribed in the District Spatial Development Framework, Joint-District Spatial Development Framework or Multi-District Spatial Development Framework

(3) Where it is deemed appropriate to have a structure plan for an area within two contiguous districts, or where two or more contiguous districts have a Joint or Multi-District Spatial Development Framework, the Regional Spatial Planning Committee shall prescribe the areas to be covered by the structure plan.

(4) Where the District Spatial Development Framework prescribes structure plans that cover the entire district, the District Spatial Planning Committee shall ensure that the structure plans for the entire district whether prepared in parts or as a whole are prepared within the time limit specified in subsection (1) or within the extension period granted by the Authority.