a) No provision of this Agreement may be waived or changed except by a writing signed by the party against whom such waiver is sought to be enforced. The failure or omission by either party at any time to enforce or require strict or timely compliance to any provision of this Agreement shall not affect or impair that provision or any other provision in any way or the rights of such party hereof, to avail itself of the remedies it may have in respect of any subsequent breach of that or any other provision