Section 4(1): amended, on 1 November 1946, by section 3(a) of the Otaki and Porirua Trusts Amendment Act 1946 (1946 No 4 (P)).
Section 4(1)(a): amended, on 1 November 1946, by section 3(b) of the Otaki and Porirua Trusts Amendment Act 1946 (1946 No 4 (P)).
Section 4(1)(b): amended, on 27 November 1947, pursuant to section 9(1) of the Maori Purposes Act 1947 (1947 No 59).
Section 4(1)(b): amended, on 1 November 1946, by section 3(c) of the Otaki and Porirua Trusts Amendment Act 1946 (1946 No 4 (P)).
Section 4(2): repealed, on 1 November 1946, by section 3(d) of the Otaki and Porirua Trusts Amendment Act 1946 (1946 No 4 (P)).
Section 4(3): repealed, on 1 November 1946, by section 3(d) of the Otaki and Porirua Trusts Amendment Act 1946 (1946 No 4 (P)).