No Party shall assign any of its interests or rights under this Agreement without the prior written consent of the other Parties (such consent not to be unreasonably withheld), and no assignment of the interests or rights of any Party shall be binding upon the Escrow Agent unless and until written notice of such assignment shall be filed with and consented to by the Escrow Agent (such consent not to be unreasonably withheld). To comply with United States federal law including USA Patriot Act requirements, assignees shall provide to the Escrow Agent the appropriate  IRS Form W-9 or W-8 (as applicable) and such other forms and documentation that the Escrow Agent may request to verify identification and authorization to act.  Any transfer or assignment of the rights, interests or obligations hereunder in violation of the terms hereof shall be void and of no force or effect.