Section 19: amended, on 7 August 2020, by section 135 of the Public Service Act 2020 (2020 No 40).
Section 19(a)(ii): amended, on 1 April 1987, by section 4(2) of the Official Information Amendment Act 1987 (1987 No 8).
Section 19(b): amended, on 1 April 1987, by section 16(2) of the Official Information Amendment Act 1987 (1987 No 8).