41Duration of approval

41 Duration of approval (1) An environment protection approval permitting the construction or installation of, or the carrying out of works in relation to, premises remains in force until: (a) a licence comes into force in relation to the premises; or (b) the period specified on the approval expires, whichever occurs first. (2) An environment protection approval permitting the modification or alteration of premises remains in force until the expiry of the period specified on the approval. (3) A person may apply in the approved form to the NT EPA for an extension or reduction of the period specified on an approval or to which an approval is subject under subsection (4) and the NT EPA may, by notice in writing, extend or reduce the period accordingly. (4) In a case to which subsection (1) or (2) does not apply, an approval remains in force until 2 years after the date on which the approval is granted.