Amendments. No amendment, modification or waiver in respect of this Amendment Agreement will be effective unless in writing (including a writing evidenced by a facsimile transmission) and executed by each of the parties hereto.

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. 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.

No amendment, modification, variation or waiver of this Agreement shall be effective unless it is in writing and signed by (or by some person duly authorized by) each of the parties hereto.

No amendment, modification, variation or waiver of this Agreement shall be effective unless it is in writing and signed by (or by some person duly authorised by) each of the parties hereto.

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.

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.

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

Amendments. No amendment or modification of any provision of this Agreement shall be effective unless the same shall be set forth in a writing duly executed by the Seller and Buyer, and then only to the extent specifically set forth therein.