No delays or omission by the Company or the Executive in exercising any right under this Agreement shall operate as a waiver of that or any other right.  A waiver or consent by the Company shall not be effective unless consented to by the Operating Partnership and vice versa.  A waiver or consent given by the Company or the Executive on any one occasion shall be effective only in that instance and shall not be construed as a bar or waiver of any right on any other occasion.