Section 16(1): amended, on 1 April 2007, by section 42.
Section 16(2)(a)(iii): substituted, on 1 April 2004, by section 15 of the Volunteers Employment Protection Amendment Act 2004 (2004 No 12).
Section 16(4): substituted, on 1 April 2011, by section 17 of the Holidays Amendment Act 2010 (2010 No 126).