premise: Upon the written request (email is permissible) of Provider for any reason, Recipient will, and will direct its Representatives to, within ten business days after receipt of such notice or request, destroy or return all Evaluation Materials except to the extent stored as automated electronic “back-up” data in the ordinary course of business.  The choice of which to destroy or return is at the sole discretion of Recipient and its Representatives.  Recipient shall provide to Provider a certificate of compliance with the previous sentence signed by an executive officer of Recipient (email is permissible).  Notwithstanding the return or destruction of the Evaluation Material, Recipient and its Representatives will continue to be bound by Recipient’s obligations hereunder with respect to such Evaluation Material.  Notwithstanding the foregoing, Recipient and its Representatives may maintain a copy of the Evaluation Material to the extent required by any applicable law, regulation or document retention policy.