Pursuant to M.G.L. c. 152, § 30A, on the written request of a party, the Department shall, on receipt of records kept or compiled under M.G.L. c. 111, § 119, cause them to be impounded under seal apart from the main file, to be used only by the administrative judge or Reviewing Board in connection with a proceeding under M.G.L. c. 152. Where such records become evidence in any proceeding, they shall be incorporated in the report by reference only, and in the event of certification under M.G.L. c. 152, § 12, shall be certified and impounded under seal.
452 CMR, § 1.13