258 CMR 22.05
Client’s Right to Prevent Disclosure of Communications In Certain Proceedings
A social worker shall not disclose or testify about any client communications or information which
relate to the diagnosis or treatment of the client’s mental, emotional or behavioral disorder, condition
or addiction in any judicial, legislative or administrative proceeding without the valid written consent of
that client, unless such disclosure or testimony is required or authorized by M.G.L. c. 112, § 135B or
is ordered by a court of competent jurisdiction.