Section 6B: inserted, on 10 April 1990, by section 5 of the Conservation Law Reform Act 1990 (1990 No 31).
Section 6B(1)(a): amended, on 30 September 2008, by section 82 of the Walking Access Act 2008 (2008 No 101).
Section 6B(1)(b): amended, on 30 September 2008, by section 82 of the Walking Access Act 2008 (2008 No 101).
Section 6B(1)(c): amended, on 30 September 2008, by section 82 of the Walking Access Act 2008 (2008 No 101).
Section 6B(1)(f): repealed, on 30 September 2008, by section 82 of the Walking Access Act 2008 (2008 No 101).