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.

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, 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.

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

Modification. This Agreement may not be amended or modified except by written instrument signed by an authorized representative of the Parties.

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.

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

This Agreement may not be modified or amended except by an instrument in writing signed by the parties hereto.

Section # Modification. This Agreement may not be amended, modified or supplemented in any manner, whether by course of conduct or otherwise, except by an instrument in writing specifically designated as an amendment hereto, signed on behalf of each party.