(1)By the Agency. Service of complaints, orders, decisions, pleadings, motions, processes, and other documents of the agency shall be by certified mail.(2)On the Agency. For the purpose of proceedings under these rules only, service upon the agency may be effected by filing the paper or papers with the clerk or secretary to: Office of the Secretary of State
Supervisor of Public Records
One Ashburton Place, Room 1701
Boston, Massachusetts 02108
(3)Parties and Other Persons. All papers, including, but not limited to, applications, notices, pleadings, petitions, motions, briefs, memoranda, and other documents, filed by any party or other person with the agency or a hearing examiner shall be served by personal delivery or by first-class mail upon all parties to the proceedings. Proof of service shall accompany all paper when filed or shall be filed within ten days thereafter.