Massachusetts General Laws Part I. Administration of the Government (Ch. 1-182) Ch. 127, § 38E

(a) The commissioner shall promulgate regulations to establish a fair, impartial, speedy and effective system for the resolution of grievances filed against the department, its officers or employees, by inmates who are committed to, held by or in the custody of the department in a state, county, or federal correctional facility, or the Massachusetts treatment center. The commissioner, in consultation with the county sheriffs, shall also promulgate regulations for the resolution of grievances filed against a county of the commonwealth, its officials or employees, by inmates who are committed to, held by, or in the custody of a county sheriff.

(b) A grievance system shall provide but not be limited to:

(c) Grievances that may be brought by inmates subject to the provisions of subsections (a) and (b) shall include all grievances arising out of or resulting from a condition of or occurrence during confinement, whether or not said grievance is presented in the form of petition for a writ of habeas corpus. A petition for a writ of habeas corpus seeking only release from unlawful imprisonment or restraint and no other relief shall not be subject to the provisions of this section. All applicable statute of limitations and presentment periods shall be tolled from the date of the filing of a grievance pursuant to this section until the final administrative resolution of the grievance.