Environmental Planning and Assessment Act 1979 No 203
84A Carrying out of complying development
(1) A person may carry out complying development on land if:
(a) the person has been issued with a complying development certificate for the development, and
(b) the development is carried out in accordance with:
(i) the complying development certificate, and
(ii) any provisions of an environmental planning instrument, development control plan or the regulations that applied to the carrying out of the complying development on that land at the time the complying development certificate was issued.
(2) An application for a complying development certificate may be made:
(a) by the owner of the land on which the development is proposed to be carried out, or
(b) by any other person, with the consent of the owner of that land.
(3) The regulations may provide for the procedures for making an application, the fees payable in connection with an application and the procedures for dealing with an application.
(5) Nothing in this Division prevents a consent authority from considering and determining a development application for the carrying out of complying development.