Section 168(1)(a): amended, on 1 August 2012, by section 94 of the Road User Charges Act 2012 (2012 No 1).
Section 168(1)(a): amended, on 10 May 2011, by section 88 of the Land Transport (Road Safety and Other Matters) Amendment Act 2011 (2011 No 13).
Section 168(1)(a): amended, on 1 May 2011, by section 35(1) of the Land Transport Amendment Act 2009 (2009 No 17).
Section 168(1)(a): amended, on 1 August 2008, by section 50(1) of the Land Transport Management Amendment Act 2008 (2008 No 47).
Section 168(1)(a): amended, on 1 October 2007, by section 79(1) of the Land Transport Amendment Act 2005 (2005 No 77).
Section 168(1)(a): amended, on 20 July 2005, by section 103(3) of the Railways Act 2005 (2005 No 37).
Section 168(1)(a): amended, on 13 November 2003, by section 90 of the Land Transport Management Act 2003 (2003 No 118).
Section 168(1)(b): amended, on 1 August 2008, by section 50(1) of the Land Transport Management Amendment Act 2008 (2008 No 47).
Section 168(1)(c): added, on 1 January 2009, by section 63(2) of the Public Transport Management Act 2008 (2008 No 87).
Section 168(1)(c): amended, on 13 June 2013, by section 72 of the Land Transport Management Amendment Act 2013 (2013 No 35).
Section 168(2): amended, on 1 October 2007, by section 79(2) of the Land Transport Amendment Act 2005 (2005 No 77).
Section 168(4)(aa): inserted, on 11 August 2017, by section 99 of the Land Transport Amendment Act 2017 (2017 No 34).
Section 168(4)(ab): inserted, on 11 August 2017, by section 99 of the Land Transport Amendment Act 2017 (2017 No 34).
Section 168(5): repealed, on 20 July 2005, by section 103(3) of the Railways Act 2005 (2005 No 37).
Section 168(6): repealed, on 1 August 2012, by section 94 of the Road User Charges Act 2012 (2012 No 1).