Modification; Severability. This Agreement may not be modified or canceled in any manner except by a writing signed by both Parties hereto.

Modifications. This Agreement may not be amended, canceled, revoked, or otherwise modified except by written agreement signed by both Parties.

Modification. This Agreement may not be modified unless such is in writing and signed by both Parties to this Agreement.

Modifications. Neither this Agreement nor any provision hereof may be modified, altered, amended or waived except by an instrument in writing duly signed by both parties.

Modifications and Amendments. This Agreement may not be, and shall not be construed to have been modified, amended, rescinded, canceled, or waived, in whole or in part, except if done so in writing and executed by the parties hereto.

Waiver and Modification. The provisions of this Agreement may not be waived or modified unless such waiver or modification is in writing and signed by the parties hereto.

MODIFICATION. This Agreement shall not be changed, modified, terminated or discharged, in whole or in part, except by an instrument in writing signed by the Parties hereto or their respective successors or assignees.

Modification. This Agreement shall not be changed, modified, terminated or discharged, in whole or in part, except by an instrument in writing signed by both parties hereto, or their respective successors or permitted assigns.

Modification. This Agreement shall not be changed, modified, terminated, or discharged, in whole or in part, except by an instrument in writing signed by the parties hereto, or their respective successors or assignees.

Modification. This Agreement shall not be changed or modified, in whole or in part, except by an instrument in writing signed by the parties hereto, or their respective successors or permitted assigns.