Because this Agreement contains a release of claims set forth in Exhibit B , this Agreement shall not become effective or enforceable until the eighth day after Contractor signs this Agreement. In other words, Contractor may revoke Contractor’s acceptance of this Agreement within seven (7) days after the date Contractor signs it. Contractor’s revocation must be in writing and received by the Company’s Chief Legal Officer, address: 301 Congress Avenue, Suite 700, Austin, TX 78701, e-mail: legal@rmn.com within seven days after the date Contractor signs it in order to be effective. If Contractor does not revoke acceptance within the seven (7) day period, Contractor’s acceptance of this Separation Agreement shall become binding and enforceable on the eighth day (“ Effective Date ”).