A security officer or an authorised court officer may refuse a person entry to court premises, or direct a person to leave court premises, if the officer reasonably believes that the person:
(a) is harassing or intimidating another person; or
(b) is causing a reasonable apprehension of either violence to a person on the court premises or damage to the court premises; or
(c) is significantly disrupting proceedings of a court, administration of a court or lawful activities on the court premises; or
(d) has committed, is likely to commit or intends to commit an offence on or in relation to the court premises.