No term or condition of this Plan shall be deemed to have been waived, nor shall there be an estoppel against the enforcement of any provision of this Plan, except by written instrument of the party charged with such waiver or estoppel. No such written waiver shall be deemed a continuing waiver unless specifically stated therein, and each such waiver shall operate only as to the specific term or condition waived and shall not constitute a waiver of such term or condition for the future or as to any act other than that specifically waived. Any waiver by any party hereto of a breach of any provision of the Plan by any other party shall not operate or be construed as a waiver by such party of any subsequent breach thereof.