By filing its request electronically with the Commission, the Postal Service is deemed to have effectively served copies of its formal request and its prepared direct evidence upon those persons, including the officer of the Commission, who participated in the pre-filing conference held under § 3020.111. The Postal Service shall be required to serve hard copies of its formal request and prepared direct evidence only upon those persons who have notified the Postal Service, in writing, during the pre-filing conference(s), that they do not have access to the Commission's website.