Amendment and Modification. No amendment, change, modification, alteration, addition to, rescission, termination or discharge of this Agreement is effective unless it is in writing and signed by authorized representatives of both Parties.

Amendment. No amendment, modification or supplement of any provision of this Agreement shall be valid or effective unless made in writing and signed by a duly authorized representative of each Party.

Amendments. No amendment or modification of this Agreement will be deemed effective unless made in writing and signed by the parties hereto.

Amendments. No amendment or modification of this Agreement shall be effective or binding with respect to a party unless it is in writing and is signed by the party.

Amendment. No amendment or modification of this Agreement shall be effective unless it shall be in writing and signed by each of the parties hereto, and no waiver or consent hereunder shall be effective against any party unless it shall be in writing and signed by such party.

Modification. No modification, amendment, or waiver of any of the provisions of this Agreement will be effective unless in writing, specifically referring to this agreement, and signed by both parties.

Amendments. No change, amendment or modification of this Agreement shall be valid or binding upon the Parties unless such change, amendment or modification shall be in writing and duly executed by both Parties.

Amendment to this Agreement. No modification, waiver, amendment, discharge or change of this Agreement, shall be valid unless the same is in writing and signed by the party against whom enforcement of such modification, waiver amendment, discharge, or change is or may be sought.

Modifications. No modification, amendment, supplement to or waiver of this Agreement shall be binding upon the parties hereto unless made in writing and duly signed by both parties.

Amendment. No amendment to this Agreement shall be valid unless such amendment is in writing and is signed by authorized representatives of all the parties to this Agreement.