(b)
under section 6 or 17 (3); or
knowingly contravenes or suffers
or permits any person so to
contravene any requirement imposed
by section 11 (1) or 15 (1) in
respect of any public meeting or
public procession; or
(c) without the permission of any
•
police officer on duty there,
knowingly enters or remains in a
public place to which access has
been closed to him under section
17(4); or
(d) makes any announcement or
publishes any advertisement or
notice, whether in printed or
other form, or in any other manner
advertises or publicizes a public
meeting (other than a meeting
referred to in section 7(2)) or a
public procession (other than a
public procession referred to in
section 13 (2))
(i) which has not been
notified under section 8
or 13A;