Section 12(1): amended, on 27 November 1970, by section 2(a) of the Taranaki Harbours Amendment Act 1970 (1970 No 104).
Section 12(3): amended, on 27 November 1970, by section 2(b) of the Taranaki Harbours Amendment Act 1970 (1970 No 104).
Section 12(4): amended, on 27 November 1970, by section 2(b) of the Taranaki Harbours Amendment Act 1970 (1970 No 104).
Section 12(4)(a): amended, on 27 November 1970, by section 2(b) of the Taranaki Harbours Amendment Act 1970 (1970 No 104).