18Delegation

18 Delegation (1) A public service body Head may, by instrument, delegate to any person or persons or body any of his or her functions under this Act, including any function delegated to him or her under this Act. (2) A delegate of a function under subsection (1) may, subject to any conditions to which the delegation is subject, sub-delegate that function to any other person or persons or body if the instrument of delegation authorises its sub-delegation. (3) Sections 42 and 42A of the **Interpretation of Legislation Act 1984** apply to a sub-delegation authorised by this section in the same way as they apply to a delegation.