Massachusetts General Laws Chapter 12 establishes and regulates the Department of the Attorney General, including its supervision, staff, legal representation duties, enforcement of commonwealth claims, the Massachusetts False Claims Act (Sections 5A to 5O), oversight of public charities via the Division of Public Charities (Sections 8 to 8N), civil rights enforcement including the Massachusetts Civil Rights Act (Sections 11H and 11I), divisions for environmental protection, ratepayer advocacy, victim compensation, gaming enforcement, and health care market monitoring, as well as provisions for district attorneys' qualifications, elections, staff, expenses, duties, and programs like pre-arraignment diversion and juvenile justice (Sections 12 to 36). It governs the duties of the Attorney General and Public Charities in Massachusetts.