(1) The Tribunal must notify the applicant of a decision on a review (other than an oral decision) by giving the applicant a copy of the written statement prepared under subsection 430(1). The copy must be given to the applicant:
(a) within 14 days after the day on which the decision is taken to have been made; and
(b) by one of the methods specified in section 441A.
(2) A copy of that statement must also be given to the Secretary:
(a) within 14 days after the day on which the decision is taken to have been made; and
(b) by one of the methods specified in section 441B.
(3) A failure to comply with this section in relation to a
decision on a review does not affect the validity of the decision.