(1) The occupier of a reporting facility may apply to the chief executive for an estimation technique approval (an estimation technique application).
(2) The estimation technique application must--
(a) set out the estimation technique for which approval is sought; and
(b) give the information necessary to enable the chief executive to decide the application.
(3) The chief executive may give the occupier a written notice asking the occupier to give to the chief executive, in the reasonable period stated in the notice, further information the chief executive reasonably considers necessary to decide the application.
(4) A notice under subsection (3) is an information notice about the chief executive's decision to ask for the further information.