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.

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.

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

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.

No amendments or modifications of this Agreement shall be binding upon either Party unless made in writing and signed by both Parties.

Modifications. No amendment or modification to this Agreement shall be effective unless made in writing.

Amendments and Waivers. No amendment, waiver, or modification of this Agreement shall be valid or binding unless it is in writing and duly executed by the party to be charged therewith.

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.

Amendments. This Agreement may not be modified or amended except in a writing duly executed by the parties hereto.

Amendment. Except as otherwise provided herein, no amendment of this Agreement shall be valid or effective, unless in writing and signed by or on behalf of the parties hereto.