8.7 Sub-hubco's Representative shall be [ ] or such other person appointed pursuant to Clause 8.8. Sub-hubco's Representative shall have full authority to act on behalf of Sub-hubco for all purposes of this Agreement. Except as previously notified in writing before such act by Sub-hubco to the Authority, the Authority and the Authority's Representative shall be entitled to treat any act of Sub-hubco's Representative in connection with this Agreement as being expressly authorised by Sub-hubco and the Authority and the Authority's Representative shall not be required to determine whether any express authority has in fact been given.
8.8 Sub-hubco may by notice to the Authority change Sub-hubco's Representative. Where Sub-hubco wishes to do so it shall by written notice to the Authority propose a substitute for approval, taking account of the need for liaison and continuity in respect of the Project. Such appointment shall be subject to the approval of the Authority (not to be unreasonably withheld or delayed).
8.9 Sub-hubco's Key Works Personnel are identified in Schedule Part 3 (Key Works Personnel). Sub-hubco shall, as far as it is within Sub-hubco's control, ensure that such persons retain their involvement in the Works and, in particular, will not, for the duration of the Works, require or request any of them to be involved in any other project on behalf of Sub-hubco or any of the Shareholders or its or their Associated Companies if, in the reasonable opinion of the Authority, this would adversely affect the Project.