803 C.M.R. 1.15
(2) Petition to Modify or Vacate Subpoena. Pursuant to M.G.L. c. 30A, § 12(3) and (4), a subpoena may be modified or vacated by the presiding hearing examiner at the request of the subpoenaed witness. If a witness petitions the Board to modify or vacate a subpoena, the presiding hearing examiner shall promptly notify the parties. In acting upon such a request, the presiding hearing examiner may grant a petition, in whole or in part, after considering whether: