The role of the Project Liaison Group is to make recommendations to the Authority and to the Contractor, which the Authority and the Contractor may accept or reject at their complete discretion.  Neither the Project Liaison Group itself, nor its members acting in that capacity, shall have any authority to vary any of the provisions of this Agreement or to make any decision binding on the parties.  The Authority and the Contractor shall not rely on any act or omission of the Project Liaison Group, or any members of the Project Liaison Group acting in that capacity, so as to give rise to any waiver or personal bar in respect of any right, benefit or obligation of the Authority or of the Contractor under this Agreement.  No discussion, review or recommendation by the Project Liaison Group shall relieve the Authority or the Contractor of any liability or vary any such liability or any right or benefit.