(1) A police officer not below the rank of corporal may, in relation to any public meeting being held or any public march in progress contrary to any provisions of this Part or of any order made or any permit issued under this Part, require any person—
(a) addressing or known to him or her to have addressed such meeting;
(b) leading such march; or
(c) appearing to him or her to be the promoters or organisers or the leader or one of the leaders of such meeting or march,
to call on such meeting or march to disperse.
(2) Any person required under subsection (1) to call on any public meeting or public march to disperse who refuses, fails, neglects immediately to call on such meeting or march to disperse, commits an offence under this section.
(3) A person present at a meeting or taking part in any public march that is called upon to disperse from such meeting or public march under subsection (1) who fails to comply with such requirement commits an offence.