Written Notice Any notice, demand, direction or instruction to be given to the Depositor, Evaluator or Supervisor hereunder shall be in writing and shall be duly given if mailed or delivered to the Depositor, 2455 Corporate West Drive, Lisle, Illinois 60532, or at such other adxxxxx xx xxxxx xx xxxxxxxxx xx xxx Xxxxxxxxx xx the other parties hereto in writing. (21) The second paragraph of Section 6.02 is replaced in its entirety as follows: An audit of the accounts of each Trust shall not be conducted unless the Depositor determines that such an audit is required. In the event that the Depositor determines that an audit is required, the accounts of each Trust shall be audited not less than annually by independent public accountants designated from time to time by the Depositor and reports of such accountants shall be furnished by the Trustee, upon request, to Unitholders. The Trustee, however, in connection with any such audits shall not be obligated to use Trust assets to pay for such audits in excess of the amounts, if any, indicated in the Prospectus relating to such Trust. The Trustee shall maintain and provide, upon the request of a Unitholder or the Depositor, the Unitholders' or the Unitholder's designated representative with the cost basis of the Securities represented by the Unitholder's Units. (22) The first paragraph of Section 6.04 is replaced in its entirety as follows: