WAIVER; MODIFICATION; AMENDMENT. No term or provision hereof will be considered waived by either party, and no breach excused by either party, unless such waiver or consent is in writing signed on behalf of the party against whom the waiver is asserted. No consent by either party to, or waiver of, a breach by either party, whether express or implied, will constitute a consent to, waiver of, or excuse of any other different, or subsequent, breach by either party. This Agreement, including the Schedules and Exhibits attached hereto may not be modified or amended except by an instrument in writing duly signed by or on behalf of the parties hereto.