Section 4(1): amended, on 1 January 1998, by section 7 of the Summary Offences Amendment Act 1997 (1997 No 97).
Section 4(2): amended, on 1 January 1998, by section 7 of the Summary Offences Amendment Act 1997 (1997 No 97).
Section 4(5): added, on 1 October 1994, by section 150(1) of the Films, Videos, and Publications Classification Act 1993 (1993 No 94).