Section 21A: substituted, on 1 October 2006, by section 8 of the Fire Service Amendment Act 2005 (2005 No 52).
Section 21A(1)(d): substituted, on 7 July 2010, by section 4 of the Fire Service Amendment Act 2010 (2010 No 65).
Section 21A(1)(h): amended, on 1 October 2007, by section 58 of the Sentencing Amendment Act 2007 (2007 No 27).