§ 672.4 Filing, service, and form of pleadings and documents.
(a) Filing of pleadings and documents. (1) Except as otherwise provided, the original and one copy of the complaint, and the original of the answer and of all other documents served in the proceeding, shall be filed with the Hearing Clerk.
(2) A certificate of service shall accompany each document filed or served. Except as otherwise provided, a party filing documents with the Hearing Clerk, after the filing of the answer, shall serve copies thereof upon all other parties and the Presiding Officer. The Presiding Officer shall maintain a duplicate file during the course of the proceeding.
(3) When the Presiding Officer corresponds directly with the parties, he shall file the original of the correspondence with the Hearing Clerk, maintain a copy in the duplicate file, and send a copy to all parties. Parties who correspond directly with the Presiding Officer shall in addition to serving all other parties send a copy of all such correspondence to the Hearing Clerk. A certificate of service shall accompany each document served under this subsection.