A permit authority
must —
(a)
record the grounds on which is based a decision to refuse to grant or modify
an occupancy permit or grant a building approval certificate, and the reasons
for the decision; and
(b) as
soon as is practicable, but in any case not later than 5 days after making the
decision, give to the person to whom the decision relates written notice of
the decision, together with those grounds and reasons, and the person’s
right of review under section 121.