No waiver by Buyer or Seller of a breach of any of the terms, covenants and conditions of this Agreement by the other shall be construed or held to be a waiver of any succeeding or preceding breach of the same or any other term, covenant or condition contained in this Agreement. No waiver of any default by Buyer or Seller hereunder shall be implied from any omission by the other to take any action on account of such default if such default persists or is repeated, and no express waiver shall affect a default other than as specified in such waiver.