Section 031-350-4 - CommunicationsA. Filings. In filing papers with the Superintendent as required or permitted by applicable statute, these rules, or an order of the Superintendent they shall be deemed to be officially filed or received only when received at the Bureau during the hours that it is open. All written communications or documents related to an application or other proceeding pending before the Superintendent shall be addressed to the Superintendent, except where submitted in response to a request from a member of the Bureau staff or as otherwise requested by the Superintendent. The acceptance of any document for filing does not constitute a determination that the contents of the document are sufficient for the purpose for which it is filed.B. Service. Unless otherwise ordered whenever a document is filed with the Superintendent which relates to an application or other proceeding pending before the Superintendent, it shall at the same time be served on all parties and proposed intervenors in the matter, except that a petition to intervene need be served only on the parties.02-031 C.M.R. ch. 350, § 4