The waiver by either party of the other party’s failure to perform or observe any term, covenant or condition herein contained to be performed or observed by such waiving party shall not be deemed to be a waiver of such term, covenant or condition or of any subsequent failure of the party failing to perform or observe the same or any other such term, covenant or condition therein contained, and no custom or practice which may develop between the parties hereto during the Term hereof shall be deemed a waiver of, or in any way affect, the right of either party to insist upon performance and observance by the other party in strict accordance with the terms hereof.