Anti-Discrimination Act 1977

any form of communication to the public, including speaking, writing, printing, displaying notices, broadcasting, telecasting, screening and playing of tapes or other recorded material, and

any conduct (not being a form of communication referred to in paragraph (a)) observable by the public, including actions and gestures and the wearing or display of clothing, signs, flags, emblems and insignia, and

the distribution or dissemination of any matter to the public with knowledge that the matter promotes or expresses hatred towards, serious contempt for, or severe ridicule of, a person or group of persons on the ground of the homosexuality of the person or members of the group.