No delay or failure on the part of any Party hereto in exercising any right, power or privilege under this Agreement or under any other documents furnished in connection with or pursuant to this Agreement shall impair any such right, power or privilege to be construed as a waiver of any default or any acquiescence therein. No single or partial exercise of any such right, power or privilege shall preclude the further exercise of such right, power or privilege, or the exercise of any other right, power or privilege. No waiver shall be valid against any Party hereto unless made in writing and signed by the Party against whom enforcement of such waiver is sought and then only to the extent expressly specified therein.