No delay or omission in the exercise of any right or remedy accruing to either party upon any breach by the other party under this Agreement shall impair such right or remedy or be construed as a waiver of any such breach theretofore or thereafter occurring. No waiver of any provision of this Agreement shall be effective unless it is in writing and signed by the party against whom it is asserted and any such written waiver shall only be applicable to the specific instance to which it relates and shall not be deemed to be a continuing or future waiver.