No delay or failure on the part of the Sellers’ Representative in the exercise of any right or remedy, for and on behalf of the Sellers, shall operate as a waiver thereof, and no single or partial exercise by the Sellers’ Representative, for and on behalf of the Sellers, of any right or remedy shall preclude other or further exercise thereof or the exercise of any other right or remedy. No modification or waiver of any provision of this Note or consent to departure therefrom shall be effective unless in writing and signed by Buyer and the Sellers beneficially entitled to at least a majority of the principal amount outstanding under this Note. Buyer hereby waives presentment and demand for payment, notice of dishonor, protest and notice of protest of this Note.