Section 110.03 - General Provisions(1)Filings. All papers relating to a Rate Filing shall be filed at the Division's principal office during regular business hours, addressed to the Docket Clerk, Hearings and Appeals. Unless otherwise specified in 211 CMR 110.00, the Presiding Officer shall determine how many copies of papers shall be filed. A party filing papers in a Proceeding shall serve a copy thereof on other parties to the Proceeding, by hand delivery or by United States mail, postage prepaid, sent to the address of record in the Proceeding. Failure to comply with 211 CMR 110.03(1) shall be grounds for refusal by the Division to accept papers for filing.(2)Timely Filing. Papers filed in a Proceeding must be filed at the Division's principal office within the specified time limits. The date of filing shall be determined as follows: (a) Papers hand-delivered during regular business hours shall be deemed filed on that day.(b) Papers hand-delivered at other times shall be deemed filed on the next regular business day.(c) Papers mailed to the Division's principal office shall be deemed filed on the day the Division receives them.(3)Computation of Time. Computation of any period of time referred to in 211 CMR 110.00 shall begin with the first day after the date of the initiating act. The last day of the period so computed is to be included unless it is a day when the principal office of the Division is closed, in which case the period shall run until the end of the next business day. When the time period is five days or fewer, Saturdays, Sundays and legal holidays shall be excluded from the computation.(4)Extensions of Time. The Presiding Officer may, in his or her discretion, extend any time limit prescribed or allowed by 211 CMR 110.00 for good cause shown. All requests for extensions shall be made by motion before the expiration of the period originally prescribed or as previously extended.(5)Signatures. All papers shall be signed by the filing party, its authorized representative or its counsel.(6)Appearances. An appearance shall be made in a Proceeding by filing a written notice thereof and serving a copy on all persons who have previously appeared.