This Agreement (including the Schedules and Exhibits hereto) and the related Repurchase Documents constitute the entire agreement of the parties hereto and supersedes any and all prior or contemporaneous agreements, written or oral, as to the matters contained herein, and no modification or waiver of any provision hereof or of the Repurchase Documents, nor consent to the departure by Pledgor therefrom, shall be effective unless the same is in writing, and then such waiver or consent shall be effective only in the specific instance, and for the purpose, for which it is given.