25.2  Terms of Authorisation

The authorisation made under this clause 25 in respect of each and every Authorised Function is made on the following terms:

(a)  it shall be non-assignable; and

(b)  the Service Provider shall not delegate any Authorised Function but, for the avoidance of doubt, shall be entitled to require sub-contractors to provide services in relation any Authorised Function

and the Service Provider shall exercise properly and fully each of the Authorised Functions in respect of the provision of the Service on the Project Network for as long as the authorisation made under this clause 25 is effective.