Mass. Gen. Laws ch. 94C, § 23
(vi) prescriptions issued outside the jurisdiction of the commonwealth; and (vii) other exceptions to said section 17 and said subsection (g) as the commissioner determines necessary; provided, however, that 90 days before promulgating or amending any regulations regarding other exceptions to said section 17 and said subsection (g), the commissioner shall file with the house and senate committees on ways and means, the joint committee on public health, and the joint committee on mental health, substance use and recovery a written report setting forth justification for such changes.