840 CMR, § 6.09
Unless otherwise prohibited by law or judicial order, upon receipt of a subpoena duces tecum, or other order of a court or administrative agency of competent jurisdiction directing the retirement board to produce personal data in a member's retirement file, the Custodian shall notify the member of the demand no later than the next business day following the day on which the subpoena or other document is served and shall not produce any records in response to the demand unless the member has been notified in reasonable time to seek to have the process quashed. If the member is properly notified and if the process is not quashed, the Custodian shall produce a copy of the requested records as ordered by the Court or agency, and shall advise the Court or agency of the requirements of 840 CMR 6.00.
840 CMR, § 6.09