Section 22(1)(b): amended, on 1 July 1993, by section 4(1) of the Local Government Official Information and Meetings Amendment Act 1993 (1993 No 37).
Section 22(1A): inserted, on 1 July 1993, by section 4(2) of the Local Government Official Information and Meetings Amendment Act 1993 (1993 No 37).
Section 22(1B): inserted, on 1 July 1993, by section 4(2) of the Local Government Official Information and Meetings Amendment Act 1993 (1993 No 37).
Section 22(3): added, on 18 September 2004, by section 175(1) of the Health Practitioners Competence Assurance Act 2003 (2003 No 48).