Section 251: replaced, on 1 October 2003, by section 15 of the Crimes Amendment Act 2003 (2003 No 39).
Section 251(1)(a): amended, on 1 July 2013, by section 7 of the Crimes Amendment Act 2013 (2013 No 27).
Section 251(1)(b): amended, on 1 July 2013, by section 7 of the Crimes Amendment Act 2013 (2013 No 27).
Section 251(2)(b): amended, on 1 July 2013, by section 7 of the Crimes Amendment Act 2013 (2013 No 27).