Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 147, § 63

(a) As used in this section, the following words shall have the following meanings unless the context clearly requires otherwise:

“Law enforcement agency of the commonwealth”, any state, municipal, college or university police department, sheriff’s department, correctional facility, prosecutorial office, court, probation office, or a program of more than 1 of any such entity, or any other non-federal entity in the commonwealth charged with the enforcement of laws or the custody of detained persons.

(b) Notwithstanding any general or special law to the contrary and except as required by federal law, no officer or employee of a law enforcement agency of the commonwealth, while acting under color of law, shall provide information or assistance to a federal law enforcement agency or any other state’s law enforcement agency or any private citizen or quasi-law enforcement agent in relation to an investigation or inquiry into services constituting legally-protected health care activity, as defined in section 11I 1/212 of chapter 12, if such services would be lawful as provided if they occurred entirely in the commonwealth.