Mass. Gen. Laws ch. 10, § 76
(d) The treasurer and receiver-general, the governor or the attorney general may remove a commissioner who was appointed by that appointing authority if the commissioner:
(iv) commits gross misconduct; or (v) is convicted of a felony. The treasurer and receiver-general, the governor and the attorney general may, by majority vote, remove a commissioner who was appointed by majority vote of the state treasurer, the governor and the attorney general if the commissioner:
(k) Chapters 268A and 268B shall apply to the commissioners and to employees of the commission; provided, however, that the commission shall establish a code of ethics for all members and employees that shall be more restrictive than said chapters 268A and 268B. A copy of the code shall be filed with the state ethics commission. The code shall include provisions reasonably necessary to carry out the purposes of this section and any other laws subject to the jurisdiction of the commission including, but not limited to: