Effect of laws.

(1) Save as provided hereinbefore, the provisions of this Act and the rules and regulations made thereunder shall have effect notwithstanding anything inconsistent therewith contained in any other law. (2) Notwithstanding anything contained in any such other law, when permission for development has not been obtained under this Act, such development shall not be deemed to be lawfully undertaken or carried out by reason only of the fact that permission, approval or sanction required under such other law for such development has been obtained.