Section 672-5-24 - Service and Filing of Documents(1) Service: Unless the Presiding Officer otherwise provides, any person submitting any notices, motions, petitions, briefs, written testimony or testimony pursuant to Section 5.18, permitted or required to be filed with the Commission pursuant to these regulations (except briefs or proposed findings prepared by the Commission or staff, its consultants or counsel), shall serve such documents upon all applicants or petitioners and intervenors in the proceeding or their representatives.(2) Filing: Unless the Presiding Officer otherwise provides, an original and (9) nine copies of all motions, petitions, briefs and prefiled testimony shall be filed with the Commission.(3) Representatives: The first document filed by any person in a proceeding shall designate the name and address of a person on whom service shall be made and to whom all correspondence from the Commission and staff shall be sent.01- 672 C.M.R. ch. 5, § 24