12Power to vary and revoke instruments

#### 12 Power to vary and revoke instruments (1) Under subsection 33(3) of the Acts Interpretation Act 1901, any provision of this Act that confers a power to do something in writing is also taken to confer the power to repeal, rescind, revoke, amend or vary the written document by which that thing is done. (2) The power to repeal, rescind, revoke, amend or vary: (a) must also be exercised in writing; and (b) is subject to the same procedural requirements as the original power; and (c) is subject to the same conditions as those that governed the exercise of the original power.