The construction or reconstruction of a building shall not be begun unless and until the Executive Council has granted permission for the execution of the work.

Period within which Executive Council is to grant or refuse to grant permission to execute work Period within which Executive Council is to grant or refuse to grant permission to execute work: Within thirty days after the receipt of any application made under section 128 for approval of a site or for permission to execute any work or of any information or of documents or further information or documents required under rules or bye-laws, the Executive Council shall by written order either approve the site or grant such permission or refuse on one or more of the grounds mentioned in section 133 to grant it.