Before suspending or cancelling a major hazard licence, the regulator must give the operator a written notice of the proposed suspension or cancellation and any proposed disqualification--
(a) outlining all relevant allegations, facts and circumstances known to the regulator, and
(b) advising the operator that the operator may, by a specified date (being not less than 28 days after giving the notice), make a submission in relation to the proposed suspension or cancellation and any proposed disqualification.