Mass. Gen. Laws ch. 32A, § 22B
(ii) performing audits of each of the commission's health benefit plans at least once every 4 years, or more frequently if noncompliance is suspected, with a focus on:
(iv) the number of consumer complaints the commission has received in the immediately preceding calendar year regarding access to behavioral health services or compliance with parity in mental health and substance use disorder benefits under state and federal laws and a summary of all complaints resolved by the commission during that time period.
The summary report shall be written in nontechnical, readily understandable language and made available to the public by posting the report on the commission's website.