premise: 8.1 Each party undertakes within three business days of the receipt of a written request of the other party or on termination of this Agreement, at the option of the other party: (a) to return to the other party all of the other party's Confidential Information and that part of all documents and other material in its possession, custody or control that bear or incorporate any part of the other party's Confidential Information; or (b) to destroy by shredding or incineration all of the other party's Confidential Information and that part of all documents and other material in its possession, custody or control which bear or incorporate any part of the other party's Confidential Information and take reasonable steps to expunge all Confidential Information (and any copy that may have been made) from any computer, word processor or other device containing the Confidential Information. 