7 CFR 1.325 - Form, filing and service of papers.
(1) The original and two copies of all papers in a proceeding conducted under this subpart shall be filed with the ALJ assigned to the case.
(2) Every pleading and paper filed in the proceeding shall contain a caption setting forth the title of the action, the case number assigned by the ALJ, and a designation of the paper (e.g., motion to quash subpoena).
(4) Papers are considered filed when they are mailed. Date of mailing may be established by a certificate from the party or his representative or by proof that the document was sent by certified or registered mail.
(b)Service. A party filing a document with the ALJ shall, at the time of filing, serve a copy of such document on every other party. Service upon any party of any document other than the complaint or notice of hearing shall be made by delivering or mailing a copy to the party's last known address. When a party is represented by a representative, service shall be made upon such representative in lieu of the actual party.
(c)Proof of service. A certificate of the person serving the document by personal delivery or by mail, setting forth the manner of service, shall be proof of service.