(1) If an Academy campus or part of an Academy campus has been closed under clause 20 , the chief executive officer or an authorised person is to display, in a prominent position on the campus, a notice specifying (a) that the Academy campus or part of the Academy campus has been closed; and(b) the period of the closure; and(c) the class of persons to which the Academy campus or part of the Academy campus has been closed.(2) A person of a class of persons to which an Academy campus or part of an Academy campus has been closed must not enter or remain on that Academy campus or part of that Academy campus.Penalty: Fine not exceeding 20 penalty units and, in the case of a continuing offence, a further fine not exceeding 5 penalty units for each day during which the offence continues.(3) A person of a class of persons to which an Academy campus or part of an Academy campus has been closed must immediately leave that campus or part of that campus that has been closed, if directed to do so by the chief executive officer or an authorised person.Penalty: Fine not exceeding 20 penalty units and, in the case of a continuing offence, a further fine not exceeding 5 penalty units for each day during which the offence continues.