The JSC and any subcommittee shall have only the powers assigned expressly to it in this Article 2 and elsewhere in this Agreement, and shall not have any power to amend, modify or waive compliance with this Agreement.  In furtherance thereof, each Party shall retain the rights, powers and discretion granted to it under this Agreement and no such rights, powers or discretion shall be delegated or vested in the JSC or subcommittee unless such delegation or vesting of rights is expressly provided for in this Agreement or the Parties expressly so agree in writing.