If –

(a) this Act provides for a person to apply to the Regulator to make a reviewable decision; and

(b) a period is specified under this Act or the regulations for giving notice of the decision to the applicant; and

(c) the Regulator has not notified the applicant of the Regulator's decision within that period –

the Regulator is taken, for the purposes of this Act, to have made a decision to reject the application.