At any time prior to the Closing, the parties hereto entitled to the benefits of a term or provision may (a) extend the time for the performance of any of the obligations or other acts of the parties hereto, (b) waive any inaccuracies in the representations and warranties contained herein or in any document, certificate or writing delivered pursuant hereto, or (c) waive compliance with any obligation, covenant, agreement or condition contained herein. Any agreement on the part of a party to any such extension or waiver shall be valid only if set forth in an instrument or instruments in writing signed by the Company and the Purchaser. No failure or delay on the part of any party hereto in the exercise of any right hereunder shall impair such right or be construed to be a waiver of, or acquiescence in, any breach of any representation, warranty, covenant or agreement.